ReactOS  r75214
Classes | Macros | Typedefs | Enumerations | Functions | Variables
mm.h File Reference
#include <internal/arch/mm.h>
Include dependency graph for mm.h:

Go to the source code of this file.

Classes

struct  _MM_SECTION_SEGMENT
 
struct  _MM_IMAGE_SECTION_OBJECT
 
struct  _ROS_SECTION_OBJECT
 
struct  _MEMORY_AREA
 
struct  _MM_RMAP_ENTRY
 
struct  _MMPFNENTRY
 
struct  _MMPFN
 
struct  _MMPFNLIST
 
struct  _MM_MEMORY_CONSUMER
 
struct  _MM_REGION
 
struct  _MMFREE_POOL_ENTRY
 
struct  _MM_PAGED_POOL_INFO
 

Macros

#define MMDBG_COPY_WRITE   0x00000001
 
#define MMDBG_COPY_PHYSICAL   0x00000002
 
#define MMDBG_COPY_UNSAFE   0x00000004
 
#define MMDBG_COPY_CACHED   0x00000008
 
#define MMDBG_COPY_UNCACHED   0x00000010
 
#define MMDBG_COPY_WRITE_COMBINED   0x00000020
 
#define MMDBG_COPY_MAX_SIZE   0x8
 
#define MI_STATIC_MEMORY_AREAS   (13)
 
#define MEMORY_AREA_SECTION_VIEW   (1)
 
#define MEMORY_AREA_CACHE   (2)
 
#define MEMORY_AREA_OWNED_BY_ARM3   (15)
 
#define MEMORY_AREA_STATIC   (0x80000000)
 
#define MM_VIRTMEM_GRANULARITY   (64 * 1024)
 
#define STATUS_MM_RESTART_OPERATION   ((NTSTATUS)0xD0000001)
 
#define PAGE_WRITETHROUGH   (1024)
 
#define PAGE_SYSTEM   (2048)
 
#define SEC_PHYSICALMEMORY   (0x80000000)
 
#define MM_PAGEFILE_SEGMENT   (0x1)
 
#define MM_DATAFILE_SEGMENT   (0x2)
 
#define MC_CACHE   (0)
 
#define MC_USER   (1)
 
#define MC_SYSTEM   (2)
 
#define MC_MAXIMUM   (3)
 
#define PAGED_POOL_MASK   1
 
#define MUST_SUCCEED_POOL_MASK   2
 
#define CACHE_ALIGNED_POOL_MASK   4
 
#define QUOTA_POOL_MASK   8
 
#define SESSION_POOL_MASK   32
 
#define VERIFIER_POOL_MASK   64
 
#define MM_ROUND_UP(x, s)   ((PVOID)(((ULONG_PTR)(x)+(s)-1) & ~((ULONG_PTR)(s)-1)))
 
#define MM_ROUND_DOWN(x, s)   ((PVOID)(((ULONG_PTR)(x)) & ~((ULONG_PTR)(s)-1)))
 
#define PAGE_FLAGS_VALID_FOR_SECTION
 
#define PAGE_IS_READABLE
 
#define PAGE_IS_WRITABLE
 
#define PAGE_IS_EXECUTABLE
 
#define PAGE_IS_WRITECOPY
 
#define MM_WAIT_ENTRY   0x7ffffc00
 
#define InterlockedCompareExchangePte(PointerPte, Exchange, Comperand)   InterlockedCompareExchange((PLONG)(PointerPte), Exchange, Comperand)
 
#define InterlockedExchangePte(PointerPte, Value)   InterlockedExchange((PLONG)(PointerPte), Value)
 
#define MA_GetStartingAddress(_MemoryArea)   ((_MemoryArea)->StartingVpn << PAGE_SHIFT)
 
#define MA_GetEndingAddress(_MemoryArea)   (((_MemoryArea)->EndingVpn + 1) << PAGE_SHIFT)
 
#define MI_SET_USAGE(x)
 
#define MI_SET_PROCESS2(x)
 
#define StartOfAllocation   ReadInProgress
 
#define EndOfAllocation   WriteInProgress
 
#define MM_FREE_POOL_SIGNATURE   'ARM3'
 
#define MmDeleteHyperspaceMapping(x)   MiUnmapPageInHyperSpace(HyperProcess, x, HyperIrql);
 

Typedefs

typedef ULONG_PTR SWAPENTRY
 
typedef struct _MM_SECTION_SEGMENT MM_SECTION_SEGMENT
 
typedef struct
_MM_SECTION_SEGMENT * 		PMM_SECTION_SEGMENT
 
typedef struct
_MM_IMAGE_SECTION_OBJECT 		MM_IMAGE_SECTION_OBJECT
 
typedef struct
_MM_IMAGE_SECTION_OBJECT * 		PMM_IMAGE_SECTION_OBJECT
 
typedef struct _ROS_SECTION_OBJECT ROS_SECTION_OBJECT
 
typedef struct
_ROS_SECTION_OBJECT * 		PROS_SECTION_OBJECT
 
typedef struct _MEMORY_AREA MEMORY_AREA
 
typedef struct _MEMORY_AREA * PMEMORY_AREA
 
typedef struct _MM_RMAP_ENTRY MM_RMAP_ENTRY
 
typedef struct _MM_RMAP_ENTRY * PMM_RMAP_ENTRY
 
typedef enum _MI_PFN_USAGES MI_PFN_USAGES
 
typedef struct _MMPFNENTRY MMPFNENTRY
 
typedef struct _MMPFN MMPFN
 
typedef struct _MMPFN * PMMPFN
 
typedef struct _MMPFNLIST MMPFNLIST
 
typedef struct _MMPFNLIST * PMMPFNLIST
 
typedef struct _MM_MEMORY_CONSUMER MM_MEMORY_CONSUMER
 
typedef struct
_MM_MEMORY_CONSUMER * 		PMM_MEMORY_CONSUMER
 
typedef struct _MM_REGION MM_REGION
 
typedef struct _MM_REGION * PMM_REGION
 
typedef struct _MMFREE_POOL_ENTRY MMFREE_POOL_ENTRY
 
typedef struct _MMFREE_POOL_ENTRY * PMMFREE_POOL_ENTRY
 
typedef struct _MM_PAGED_POOL_INFO MM_PAGED_POOL_INFO
 
typedef struct
_MM_PAGED_POOL_INFO * 		PMM_PAGED_POOL_INFO
 
typedef VOID(* PMM_ALTER_REGION_FUNC )(PMMSUPPORT AddressSpace, PVOID BaseAddress, SIZE_T Length, ULONG OldType, ULONG OldProtect, ULONG NewType, ULONG NewProtect)
 
typedef VOID(* PMM_FREE_PAGE_FUNC )(PVOID Context, PMEMORY_AREA MemoryArea, PVOID Address, PFN_NUMBER Page, SWAPENTRY SwapEntry, BOOLEAN Dirty)
 

Enumerations

enum  _MI_PFN_USAGES {
  MI_USAGE_NOT_SET = 0, MI_USAGE_PAGED_POOL, MI_USAGE_NONPAGED_POOL, MI_USAGE_NONPAGED_POOL_EXPANSION,
  MI_USAGE_KERNEL_STACK, MI_USAGE_KERNEL_STACK_EXPANSION, MI_USAGE_SYSTEM_PTE, MI_USAGE_VAD,
  MI_USAGE_PEB_TEB, MI_USAGE_SECTION, MI_USAGE_PAGE_TABLE, MI_USAGE_PAGE_DIRECTORY,
  MI_USAGE_LEGACY_PAGE_DIRECTORY, MI_USAGE_DRIVER_PAGE, MI_USAGE_CONTINOUS_ALLOCATION, MI_USAGE_MDL,
  MI_USAGE_DEMAND_ZERO, MI_USAGE_ZERO_LOOP, MI_USAGE_CACHE, MI_USAGE_PFN_DATABASE,
  MI_USAGE_BOOT_DRIVER, MI_USAGE_INIT_MEMORY, MI_USAGE_FREE_PAGE
}
 

Functions

NTSTATUS NTAPI MmDbgCopyMemory (IN ULONG64 Address, IN PVOID Buffer, IN ULONG Size, IN ULONG Flags)
 
BOOLEAN NTAPI MmIsSessionAddress (IN PVOID Address)
 
ULONG NTAPI MmGetSessionId (IN PEPROCESS Process)
 
ULONG NTAPI MmGetSessionIdEx (IN PEPROCESS Process)
 
NTSTATUS NTAPI MmCreateMemoryArea (PMMSUPPORT AddressSpace, ULONG Type, PVOID *BaseAddress, SIZE_T Length, ULONG Protection, PMEMORY_AREA *Result, ULONG AllocationFlags, ULONG AllocationGranularity)
 
PMEMORY_AREA NTAPI MmLocateMemoryAreaByAddress (PMMSUPPORT AddressSpace, PVOID Address)
 
NTSTATUS NTAPI MmFreeMemoryArea (PMMSUPPORT AddressSpace, PMEMORY_AREA MemoryArea, PMM_FREE_PAGE_FUNC FreePage, PVOID FreePageContext)
 
VOID NTAPI MiRosCleanupMemoryArea (PEPROCESS Process, PMMVAD Vad)
 
PMEMORY_AREA NTAPI MmLocateMemoryAreaByRegion (PMMSUPPORT AddressSpace, PVOID Address, SIZE_T Length)
 
PVOID NTAPI MmFindGap (PMMSUPPORT AddressSpace, SIZE_T Length, ULONG_PTR Granularity, BOOLEAN TopDown)
 
VOID NTAPI MiRosCheckMemoryAreas (PMMSUPPORT AddressSpace)
 
VOID NTAPI MiCheckAllProcessMemoryAreas (VOID)
 
VOID NTAPI MiInitializeNonPagedPool (VOID)
 
PVOID NTAPI MiAllocatePoolPages (IN POOL_TYPE PoolType, IN SIZE_T SizeInBytes)
 
POOL_TYPE NTAPI MmDeterminePoolType (IN PVOID VirtualAddress)
 
ULONG NTAPI MiFreePoolPages (IN PVOID StartingAddress)
 
BOOLEAN NTAPI MiRaisePoolQuota (IN POOL_TYPE PoolType, IN ULONG CurrentMaxQuota, OUT PULONG NewMaxQuota)
 
VOID NTAPI MmBuildMdlFromPages (PMDL Mdl, PPFN_NUMBER Pages)
 
VOID NTAPI MmInit1 (VOID)
 
BOOLEAN NTAPI MmInitSystem (IN ULONG Phase, IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 
SWAPENTRY NTAPI MmAllocSwapPage (VOID)
 
VOID NTAPI MmFreeSwapPage (SWAPENTRY Entry)
 
VOID NTAPI MmInitPagingFile (VOID)
 
BOOLEAN NTAPI MmIsFileObjectAPagingFile (PFILE_OBJECT FileObject)
 
NTSTATUS NTAPI MmReadFromSwapPage (SWAPENTRY SwapEntry, PFN_NUMBER Page)
 
NTSTATUS NTAPI MmWriteToSwapPage (SWAPENTRY SwapEntry, PFN_NUMBER Page)
 
VOID NTAPI MmShowOutOfSpaceMessagePagingFile (VOID)
 
NTSTATUS NTAPI MiReadPageFile (_In_ PFN_NUMBER Page, _In_ ULONG PageFileIndex, _In_ ULONG_PTR PageFileOffset)
 
NTSTATUS NTAPI MmInitializeProcessAddressSpace (IN PEPROCESS Process, IN PEPROCESS Clone OPTIONAL, IN PVOID Section OPTIONAL, IN OUT PULONG Flags, IN POBJECT_NAME_INFORMATION *AuditName OPTIONAL)
 
NTSTATUS NTAPI MmCreatePeb (IN PEPROCESS Process, IN PINITIAL_PEB InitialPeb, OUT PPEB *BasePeb)
 
NTSTATUS NTAPI MmCreateTeb (IN PEPROCESS Process, IN PCLIENT_ID ClientId, IN PINITIAL_TEB InitialTeb, OUT PTEB *BaseTeb)
 
VOID NTAPI MmDeleteTeb (struct _EPROCESS *Process, PTEB Teb)
 
VOID NTAPI MmCleanProcessAddressSpace (IN PEPROCESS Process)
 
NTSTATUS NTAPI MmDeleteProcessAddressSpace (IN PEPROCESS Process)
 
ULONG NTAPI MmGetSessionLocaleId (VOID)
 
NTSTATUS NTAPI MmSetMemoryPriorityProcess (IN PEPROCESS Process, IN UCHAR MemoryPriority)
 
NTSTATUS NTAPI MmPageFault (ULONG Cs, PULONG Eip, PULONG Eax, ULONG Cr2, ULONG ErrorCode)
 
VOID NTAPI MiInitializeSpecialPool (VOID)
 
BOOLEAN NTAPI MmUseSpecialPool (IN SIZE_T NumberOfBytes, IN ULONG Tag)
 
BOOLEAN NTAPI MmIsSpecialPoolAddress (IN PVOID P)
 
BOOLEAN NTAPI MmIsSpecialPoolAddressFree (IN PVOID P)
 
PVOID NTAPI MmAllocateSpecialPool (IN SIZE_T NumberOfBytes, IN ULONG Tag, IN POOL_TYPE PoolType, IN ULONG SpecialType)
 
VOID NTAPI MmFreeSpecialPool (IN PVOID P)
 
NTSTATUS NTAPI MmAccessFault (IN BOOLEAN StoreInstruction, IN PVOID Address, IN KPROCESSOR_MODE Mode, IN PVOID TrapInformation)
 
NTSTATUS NTAPI MiCopyFromUserPage (PFN_NUMBER NewPage, PFN_NUMBER OldPage)
 
PVOID NTAPI MmCreateKernelStack (BOOLEAN GuiStack, UCHAR Node)
 
VOID NTAPI MmDeleteKernelStack (PVOID Stack, BOOLEAN GuiStack)
 
VOID NTAPI MmInitializeMemoryConsumer (ULONG Consumer, NTSTATUS(*Trim)(ULONG Target, ULONG Priority, PULONG NrFreed))
 
VOID NTAPI MmInitializeBalancer (ULONG NrAvailablePages, ULONG NrSystemPages)
 
NTSTATUS NTAPI MmReleasePageMemoryConsumer (ULONG Consumer, PFN_NUMBER Page)
 
NTSTATUS NTAPI MmRequestPageMemoryConsumer (ULONG Consumer, BOOLEAN MyWait, PPFN_NUMBER AllocatedPage)
 
VOID NTAPI MiInitBalancerThread (VOID)
 
VOID NTAPI MmRebalanceMemoryConsumers (VOID)
 
VOID NTAPI MmSetRmapListHeadPage (PFN_NUMBER Page, struct _MM_RMAP_ENTRY *ListHead)
 
struct _MM_RMAP_ENTRY *NTAPI MmGetRmapListHeadPage (PFN_NUMBER Page)
 
VOID NTAPI MmInsertRmap (PFN_NUMBER Page, struct _EPROCESS *Process, PVOID Address)
 
VOID NTAPI MmDeleteAllRmaps (PFN_NUMBER Page, PVOID Context, VOID(*DeleteMapping)(PVOID Context, struct _EPROCESS *Process, PVOID Address))
 
VOID NTAPI MmDeleteRmap (PFN_NUMBER Page, struct _EPROCESS *Process, PVOID Address)
 
VOID NTAPI MmInitializeRmapList (VOID)
 
VOID NTAPI MmSetCleanAllRmaps (PFN_NUMBER Page)
 
VOID NTAPI MmSetDirtyAllRmaps (PFN_NUMBER Page)
 
BOOLEAN NTAPI MmIsDirtyPageRmap (PFN_NUMBER Page)
 
NTSTATUS NTAPI MmPageOutPhysicalAddress (PFN_NUMBER Page)
 
FORCEINLINE PMMPFN MiGetPfnEntry (IN PFN_NUMBER Pfn)
 
FORCEINLINE PFN_NUMBER MiGetPfnEntryIndex (IN PMMPFN Pfn1)
 
PFN_NUMBER NTAPI MmGetLRUNextUserPage (PFN_NUMBER PreviousPage)
 
PFN_NUMBER NTAPI MmGetLRUFirstUserPage (VOID)
 
VOID NTAPI MmInsertLRULastUserPage (PFN_NUMBER Page)
 
VOID NTAPI MmRemoveLRUUserPage (PFN_NUMBER Page)
 
VOID NTAPI MmDumpArmPfnDatabase (IN BOOLEAN StatusOnly)
 
VOID NTAPI MmZeroPageThread (VOID)
 
PVOID NTAPI MiMapPageInHyperSpace (IN PEPROCESS Process, IN PFN_NUMBER Page, IN PKIRQL OldIrql)
 
VOID NTAPI MiUnmapPageInHyperSpace (IN PEPROCESS Process, IN PVOID Address, IN KIRQL OldIrql)
 
PVOID NTAPI MiMapPagesInZeroSpace (IN PMMPFN Pfn1, IN PFN_NUMBER NumberOfPages)
 
VOID NTAPI MiUnmapPagesInZeroSpace (IN PVOID VirtualAddress, IN PFN_NUMBER NumberOfPages)
 
FORCEINLINE PVOID MmCreateHyperspaceMapping (IN PFN_NUMBER Page)
 
NTSTATUS NTAPI MmCreateVirtualMapping (struct _EPROCESS *Process, PVOID Address, ULONG flProtect, PPFN_NUMBER Pages, ULONG PageCount)
 
NTSTATUS NTAPI MmCreateVirtualMappingUnsafe (struct _EPROCESS *Process, PVOID Address, ULONG flProtect, PPFN_NUMBER Pages, ULONG PageCount)
 
ULONG NTAPI MmGetPageProtect (struct _EPROCESS *Process, PVOID Address)
 
VOID NTAPI MmSetPageProtect (struct _EPROCESS *Process, PVOID Address, ULONG flProtect)
 
BOOLEAN NTAPI MmIsPagePresent (struct _EPROCESS *Process, PVOID Address)
 
BOOLEAN NTAPI MmIsDisabledPage (struct _EPROCESS *Process, PVOID Address)
 
VOID NTAPI MmInitGlobalKernelPageDirectory (VOID)
 
VOID NTAPI MmGetPageFileMapping (struct _EPROCESS *Process, PVOID Address, SWAPENTRY *SwapEntry)
 
VOID NTAPI MmDeletePageFileMapping (struct _EPROCESS *Process, PVOID Address, SWAPENTRY *SwapEntry)
 
NTSTATUS NTAPI MmCreatePageFileMapping (struct _EPROCESS *Process, PVOID Address, SWAPENTRY SwapEntry)
 
BOOLEAN NTAPI MmIsPageSwapEntry (struct _EPROCESS *Process, PVOID Address)
 
VOID NTAPI MmSetDirtyPage (struct _EPROCESS *Process, PVOID Address)
 
PFN_NUMBER NTAPI MmAllocPage (ULONG Consumer)
 
VOID NTAPI MmDereferencePage (PFN_NUMBER Page)
 
VOID NTAPI MmReferencePage (PFN_NUMBER Page)
 
ULONG NTAPI MmGetReferenceCountPage (PFN_NUMBER Page)
 
BOOLEAN NTAPI MmIsPageInUse (PFN_NUMBER Page)
 
VOID NTAPI MmSetSavedSwapEntryPage (PFN_NUMBER Page, SWAPENTRY SavedSwapEntry)
 
SWAPENTRY NTAPI MmGetSavedSwapEntryPage (PFN_NUMBER Page)
 
VOID NTAPI MmSetCleanPage (struct _EPROCESS *Process, PVOID Address)
 
VOID NTAPI MmDeletePageTable (struct _EPROCESS *Process, PVOID Address)
 
PFN_NUMBER NTAPI MmGetPfnForProcess (struct _EPROCESS *Process, PVOID Address)
 
BOOLEAN NTAPI MmCreateProcessAddressSpace (IN ULONG MinWs, IN PEPROCESS Dest, IN PULONG_PTR DirectoryTableBase)
 
NTSTATUS NTAPI MmInitializeHandBuiltProcess (IN PEPROCESS Process, IN PULONG_PTR DirectoryTableBase)
 
NTSTATUS NTAPI MmInitializeHandBuiltProcess2 (IN PEPROCESS Process)
 
NTSTATUS NTAPI MmSetExecuteOptions (IN ULONG ExecuteOptions)
 
NTSTATUS NTAPI MmGetExecuteOptions (IN PULONG ExecuteOptions)
 
VOID NTAPI MmDeleteVirtualMapping (struct _EPROCESS *Process, PVOID Address, BOOLEAN *WasDirty, PPFN_NUMBER Page)
 
BOOLEAN NTAPI MmIsDirtyPage (struct _EPROCESS *Process, PVOID Address)
 
NTSTATUS MmTrimUserMemory (ULONG Target, ULONG Priority, PULONG NrFreedPages)
 
NTSTATUS NTAPI MmAlterRegion (PMMSUPPORT AddressSpace, PVOID BaseAddress, PLIST_ENTRY RegionListHead, PVOID StartAddress, SIZE_T Length, ULONG NewType, ULONG NewProtect, PMM_ALTER_REGION_FUNC AlterFunc)
 
VOID NTAPI MmInitializeRegion (PLIST_ENTRY RegionListHead, SIZE_T Length, ULONG Type, ULONG Protect)
 
PMM_REGION NTAPI MmFindRegion (PVOID BaseAddress, PLIST_ENTRY RegionListHead, PVOID Address, PVOID *RegionBaseAddress)
 
VOID NTAPI MmGetImageInformation (OUT PSECTION_IMAGE_INFORMATION ImageInformation)
 
PFILE_OBJECT NTAPI MmGetFileObjectForSection (IN PVOID Section)
 
NTSTATUS NTAPI MmGetFileNameForAddress (IN PVOID Address, OUT PUNICODE_STRING ModuleName)
 
NTSTATUS NTAPI MmGetFileNameForSection (IN PVOID Section, OUT POBJECT_NAME_INFORMATION *ModuleName)
 
NTSTATUS NTAPI MmQuerySectionView (PMEMORY_AREA MemoryArea, PVOID Address, PMEMORY_BASIC_INFORMATION Info, PSIZE_T ResultLength)
 
NTSTATUS NTAPI MmProtectSectionView (PMMSUPPORT AddressSpace, PMEMORY_AREA MemoryArea, PVOID BaseAddress, SIZE_T Length, ULONG Protect, PULONG OldProtect)
 
NTSTATUS NTAPI MmInitSectionImplementation (VOID)
 
NTSTATUS NTAPI MmNotPresentFaultSectionView (PMMSUPPORT AddressSpace, MEMORY_AREA *MemoryArea, PVOID Address, BOOLEAN Locked)
 
NTSTATUS NTAPI MmPageOutSectionView (PMMSUPPORT AddressSpace, PMEMORY_AREA MemoryArea, PVOID Address, ULONG_PTR Entry)
 
NTSTATUS NTAPI MmCreatePhysicalMemorySection (VOID)
 
NTSTATUS NTAPI MmAccessFaultSectionView (PMMSUPPORT AddressSpace, MEMORY_AREA *MemoryArea, PVOID Address)
 
VOID NTAPI MmFreeSectionSegments (PFILE_OBJECT FileObject)
 
VOID NTAPI MiReloadBootLoadedDrivers (IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 
BOOLEAN NTAPI MiInitializeLoadedModuleList (IN PLOADER_PARAMETER_BLOCK LoaderBlock)
 
NTSTATUS NTAPI MmLoadSystemImage (IN PUNICODE_STRING FileName, IN PUNICODE_STRING NamePrefix OPTIONAL, IN PUNICODE_STRING LoadedName OPTIONAL, IN ULONG Flags, OUT PVOID *ModuleObject, OUT PVOID *ImageBaseAddress)
 
NTSTATUS NTAPI MmUnloadSystemImage (IN PVOID ImageHandle)
 
NTSTATUS NTAPI MmCheckSystemImage (IN HANDLE ImageHandle, IN BOOLEAN PurgeSection)
 
NTSTATUS NTAPI MmCallDllInitialize (IN PLDR_DATA_TABLE_ENTRY LdrEntry, IN PLIST_ENTRY ListHead)
 
NTSTATUS NTAPI MmGrowKernelStack (IN PVOID StackPointer)
 
FORCEINLINE VOID MmLockAddressSpace (PMMSUPPORT AddressSpace)
 
FORCEINLINE VOID MmUnlockAddressSpace (PMMSUPPORT AddressSpace)
 
FORCEINLINE PEPROCESS MmGetAddressSpaceOwner (IN PMMSUPPORT AddressSpace)
 
FORCEINLINE PMMSUPPORT MmGetCurrentAddressSpace (VOID)
 
FORCEINLINE PMMSUPPORT MmGetKernelAddressSpace (VOID)
 
VOID NTAPI ExpCheckPoolAllocation (PVOID P, POOL_TYPE PoolType, ULONG Tag)
 
VOID NTAPI ExReturnPoolQuota (IN PVOID P)
 
NTSTATUS NTAPI MmAdjustWorkingSetSize (IN SIZE_T WorkingSetMinimumInBytes, IN SIZE_T WorkingSetMaximumInBytes, IN ULONG SystemCache, IN BOOLEAN IncreaseOkay)
 
 _IRQL_requires_max_ (APC_LEVEL) NTSTATUS NTAPI MmAttachSession(_Inout_ PVOID SessionEntry
 
VOID NTAPI MmQuitNextSession (_Inout_ PVOID SessionEntry)
 
PVOID NTAPI MmGetSessionById (_In_ ULONG SessionId)
 
NTSTATUS NTAPI MmCopyVirtualMemory (IN PEPROCESS SourceProcess, IN PVOID SourceAddress, IN PEPROCESS TargetProcess, OUT PVOID TargetAddress, IN SIZE_T BufferSize, IN KPROCESSOR_MODE PreviousMode, OUT PSIZE_T ReturnSize)
 

Variables

PMMSUPPORT MmKernelAddressSpace
 
PFN_COUNT MiFreeSwapPages
 
PFN_COUNT MiUsedSwapPages
 
PFN_COUNT MmNumberOfPhysicalPages
 
UCHAR MmDisablePagingExecutive
 
PFN_NUMBER MmLowestPhysicalPage
 
PFN_NUMBER MmHighestPhysicalPage
 
PFN_NUMBER MmAvailablePages
 
PFN_NUMBER MmResidentAvailablePages
 
LIST_ENTRY MmLoadedUserImageList
 
KMUTANT MmSystemLoadLock
 
ULONG MmNumberOfPagingFiles
 
PVOID MmUnloadedDrivers
 
PVOID MmLastUnloadedDrivers
 
PVOID MmTriageActionTaken
 
PVOID KernelVerifier
 
MM_DRIVER_VERIFIER_DATA MmVerifierData
 
SIZE_T MmTotalCommitLimit
 
SIZE_T MmTotalCommittedPages
 
SIZE_T MmSharedCommit
 
SIZE_T MmDriverCommit
 
SIZE_T MmProcessCommit
 
SIZE_T MmPagedPoolCommit
 
SIZE_T MmPeakCommitment
 
SIZE_T MmtotalCommitLimitMaximum
 
PVOID MiDebugMapping
 
PMMPTE MmDebugPte
 
PMMPFN MmPfnDatabase
 
MMPFNLIST MmZeroedPageListHead
 
MMPFNLIST MmFreePageListHead
 
MMPFNLIST MmStandbyPageListHead
 
MMPFNLIST MmModifiedPageListHead
 
MMPFNLIST MmModifiedNoWritePageListHead
 
MM_MEMORY_CONSUMER MiMemoryConsumers [MC_MAXIMUM]
 
PEPROCESS HyperProcess
 
KIRQL HyperIrql
 
_Out_ PKAPC_STATE ApcState
 

Macro Definition Documentation

#define CACHE_ALIGNED_POOL_MASK   4

Definition at line 98 of file mm.h.

#define EndOfAllocation   WriteInProgress

Definition at line 288 of file mm.h.

#define InterlockedCompareExchangePte (   PointerPte,
  Exchange,
  Comperand 
)    InterlockedCompareExchange((PLONG)(PointerPte), Exchange, Comperand)

Definition at line 150 of file mm.h.

Referenced by MmSetCleanPage(), and MmSetDirtyPage().

#define InterlockedExchangePte (   PointerPte,
  Value 
)    InterlockedExchange((PLONG)(PointerPte), Value)

Definition at line 153 of file mm.h.

#define MA_GetEndingAddress (   _MemoryArea)    (((_MemoryArea)->EndingVpn + 1) << PAGE_SHIFT)

Definition at line 204 of file mm.h.

Referenced by _MiFlushMappedSection(), MiQueryMemoryBasicInformation(), MmFreeMemoryArea(), MmNotPresentFaultCachePage(), MmNotPresentFaultCacheSectionInner(), MmpPageOutPhysicalAddress(), MmProtectSectionView(), and MmpSectionAccessFaultInner().

#define MA_GetStartingAddress (   _MemoryArea)    ((_MemoryArea)->StartingVpn << PAGE_SHIFT)

Definition at line 203 of file mm.h.

Referenced by _MiFlushMappedSection(), MiCowCacheSectionPage(), MiQueryMemoryBasicInformation(), MiRosCleanupMemoryArea(), MmAccessFaultSectionView(), MmAlterViewAttributes(), MmFreeCacheSectionPage(), MmFreeMemoryArea(), MmFreeSectionPage(), MmNotPresentFaultCachePage(), MmNotPresentFaultCacheSectionInner(), MmNotPresentFaultSectionView(), MmPageOutCacheSection(), MmPageOutPhysicalAddress(), MmPageOutSectionView(), MmpPageOutPhysicalAddress(), MmProtectSectionView(), MmpSectionAccessFaultInner(), MmQuerySectionView(), MmUnmapViewOfCacheSegment(), and MmWritePageSectionView().

#define MC_CACHE   (0)

Definition at line 91 of file mm.h.

Referenced by _MiFlushMappedSection(), CcFreeCachePage(), CcInitView(), CcRosMapVacb(), MiCowCacheSectionPage(), MiFreeSegmentPage(), MmFinalizeSectionPageOut(), MmFreeCacheSectionPage(), MmInitializeBalancer(), MmInitSystem(), MmNotPresentFaultCachePage(), MmPageOutCacheSection(), MmZeroPageThread(), Phase1InitializationDiscard(), and QSI_DEF().

#define MC_MAXIMUM   (3)

Definition at line 94 of file mm.h.

Referenced by MiBalancerThread().

#define MC_SYSTEM   (2)

Definition at line 93 of file mm.h.

Referenced by CcInitCacheZeroPage(), MmRequestPageMemoryConsumer(), and QSI_DEF().

#define MC_USER   (1)

Definition at line 92 of file mm.h.

Referenced by MiReadPage(), MmAccessFaultSectionView(), MmFreeSectionPage(), MmInitializeBalancer(), MmInitSystem(), MmNotPresentFaultSectionView(), MmPageOutDeleteMapping(), MmPageOutSectionView(), MmpFreePageFileSegment(), MmReleasePageMemoryConsumer(), MmRequestPageMemoryConsumer(), MmUnsharePageEntrySectionSegment(), and QSI_DEF().

#define MEMORY_AREA_CACHE   (2)

Definition at line 70 of file mm.h.

Referenced by _MiFlushMappedSection(), _MiMapViewOfSegment(), MiGetFileObjectForSectionAddress(), MiGetFileObjectForVad(), MiRosCleanupMemoryArea(), MiRosUnmapViewOfSection(), MmFreeMemoryArea(), MmInsertMemoryArea(), MmNotPresentFault(), MmpAccessFault(), and MmPageOutPhysicalAddress().

#define MEMORY_AREA_OWNED_BY_ARM3   (15)

Definition at line 71 of file mm.h.

Referenced by MiCreateArm3StaticMemoryArea(), MiInsertNode(), MiProtectVirtualMemory(), MiRemoveNode(), MiRosUnmapViewOfSection(), MiUnmapViewOfSection(), MmAccessFault(), MmCreateMemoryArea(), MmFreeMemoryArea(), MmInsertMemoryArea(), MmUnmapViewInSystemSpace(), NtAllocateVirtualMemory(), and NtFreeVirtualMemory().

#define MEMORY_AREA_SECTION_VIEW   (1)

Definition at line 69 of file mm.h.

Referenced by COMMAND_PROTOTYPE(), HandlePageFault(), KdbSymPrintAddress(), MiGetFileObjectForSectionAddress(), MiGetFileObjectForVad(), MiQueryMemoryBasicInformation(), MiRosCleanupMemoryArea(), MiRosProtectVirtualMemory(), MiRosUnmapViewOfSection(), MmFreeMemoryArea(), MmInsertMemoryArea(), MmMapViewOfSegment(), MmNotPresentFault(), MmpAccessFault(), and MmPageOutPhysicalAddress().

#define MEMORY_AREA_STATIC   (0x80000000)

Definition at line 72 of file mm.h.

Referenced by MiCreateArm3StaticMemoryArea(), and MmCreateMemoryArea().

#define MI_SET_PROCESS2 (   x)

Definition at line 254 of file mm.h.

Referenced by MiAllocatePagesForMdl(), MiAllocatePoolPages(), MiBuildPagedPool(), MiFillSystemPageDirectory(), MiFindContiguousPages(), MiInitMachineDependent(), MiReadPage(), MiResolveDemandZeroFault(), MiSessionCommitPageTables(), MmAccessFaultSectionView(), MmAllocateSpecialPool(), MmArmAccessFault(), MmCreateKernelStack(), MmGrowKernelStackEx(), MmNotPresentFaultSectionView(), and MmZeroPageThread().

#define MI_SET_USAGE (   x)

Definition at line 253 of file mm.h.

Referenced by CcInitCacheZeroPage(), CcRosCreateVacb(), CcRosMapVacb(), MiAllocatePagesForMdl(), MiAllocatePoolPages(), MiBuildPagedPool(), MiFillSystemPageDirectory(), MiFindContiguousPages(), MiInitMachineDependent(), MiLoadImageSection(), MiReadPage(), MiResolveDemandZeroFault(), MiSessionCommitPageTables(), MiSessionCreateInternal(), MiSessionInitializeWorkingSetList(), MmAccessFaultSectionView(), MmAllocateSpecialPool(), MmArmAccessFault(), MmCreateKernelStack(), MmGrowKernelStackEx(), MmNotPresentFaultSectionView(), and MmZeroPageThread().

#define MI_STATIC_MEMORY_AREAS   (13)

Definition at line 66 of file mm.h.

Referenced by MmCreateMemoryArea().

#define MM_DATAFILE_SEGMENT   (0x2)

Definition at line 89 of file mm.h.

Referenced by MmCreateCacheSection(), MmCreateDataFileSection(), MmFinalizeSegment(), MmFreeSectionPage(), MmMapViewOfSegment(), MmpDeleteSection(), and MmUnmapViewOfSegment().

#define MM_FREE_POOL_SIGNATURE   'ARM3'

Definition at line 409 of file mm.h.

Referenced by MiAllocatePoolPages(), MiFreePoolPages(), and MiInitializeNonPagedPool().

#define MM_PAGEFILE_SEGMENT   (0x1)

Definition at line 88 of file mm.h.

Referenced by MmCreatePageFileSection(), MmCreatePhysicalMemorySection(), MmFreeSectionPage(), MmNotPresentFaultSectionView(), MmPageOutSectionView(), MmpDeleteSection(), and MmUnsharePageEntrySectionSegment().

#define MM_ROUND_DOWN (   x,
  s 
)    ((PVOID)(((ULONG_PTR)(x)) & ~((ULONG_PTR)(s)-1)))

Definition at line 107 of file mm.h.

Referenced by MiCowCacheSectionPage(), MmAccessFaultSectionView(), MmNotPresentFaultCachePage(), MmNotPresentFaultSectionView(), and MmPageOutCacheSection().

#define MM_ROUND_UP (   x,
  s 
)    ((PVOID)(((ULONG_PTR)(x)+(s)-1) & ~((ULONG_PTR)(s)-1)))

Definition at line 104 of file mm.h.

Referenced by MmCreateMemoryArea(), and MmFreeMemoryArea().

#define MM_VIRTMEM_GRANULARITY   (64 * 1024)

Definition at line 76 of file mm.h.

Referenced by MiMapLockedPagesInUserSpace(), MiMapViewOfDataSection(), MmMapViewOfSection(), NtAllocateVirtualMemory(), NtMapViewOfSection(), and QSI_DEF().

#define MM_WAIT_ENTRY   0x7ffffc00

Definition at line 148 of file mm.h.

Referenced by _MmSetPageEntrySectionSegment(), MiCowCacheSectionPage(), MmAlterViewAttributes(), MmCreatePageFileMapping(), MmNotPresentFaultCachePage(), MmNotPresentFaultSectionView(), MmPageOutCacheSection(), MmPageOutPhysicalAddress(), MmPageOutSectionView(), MmpPageOutPhysicalAddress(), and MmWithdrawSectionPage().

#define MMDBG_COPY_CACHED   0x00000008

Definition at line 54 of file mm.h.

Referenced by KdpReadPhysicalmemory(), KdpWritePhysicalmemory(), and MiDbgTranslatePhysicalAddress().

#define MMDBG_COPY_MAX_SIZE   0x8

Definition at line 61 of file mm.h.

Referenced by KdpCopyMemoryChunks().

#define MMDBG_COPY_PHYSICAL   0x00000002

Definition at line 52 of file mm.h.

Referenced by KdpReadPhysicalmemory(), KdpWritePhysicalmemory(), and MmDbgCopyMemory().

#define MMDBG_COPY_UNCACHED   0x00000010

Definition at line 55 of file mm.h.

Referenced by KdpReadPhysicalmemory(), KdpWritePhysicalmemory(), and MiDbgTranslatePhysicalAddress().

#define MMDBG_COPY_UNSAFE   0x00000004

Definition at line 53 of file mm.h.

Referenced by KdpAddBreakpoint(), KdpCheckLowMemory(), KdpLowRestoreBreakpoint(), KdpLowWriteContent(), KdpReadPhysicalmemory(), KdpReadVirtualMemory(), KdpReportCommandStringStateChange(), KdpReportLoadSymbolsStateChange(), KdpSetCommonState(), KdpSysReadControlSpace(), KdpSysWriteControlSpace(), KdpWritePhysicalmemory(), KdpWriteVirtualMemory(), KdSetOwedBreakpoints(), and MmDbgCopyMemory().

#define MMDBG_COPY_WRITE   0x00000001

Definition at line 51 of file mm.h.

Referenced by KdpAddBreakpoint(), KdpLowRestoreBreakpoint(), KdpLowWriteContent(), KdpSysReadControlSpace(), KdpWritePhysicalmemory(), KdpWriteVirtualMemory(), KdSetOwedBreakpoints(), and MmDbgCopyMemory().

#define MMDBG_COPY_WRITE_COMBINED   0x00000020

Definition at line 56 of file mm.h.

Referenced by KdpReadPhysicalmemory(), KdpWritePhysicalmemory(), and MiDbgTranslatePhysicalAddress().

#define MmDeleteHyperspaceMapping (   x)    MiUnmapPageInHyperSpace(HyperProcess, x, HyperIrql);

Definition at line 971 of file mm.h.

Referenced by MiFlushTlb(), MiGetPteValueForProcess(), MmCreateProcessAddressSpace(), MmCreateVirtualMappingUnsafe(), MmGetPageTableForProcess(), MmGetPageTableForProcessForPAE(), and MmUnmapPageTable().

#define MUST_SUCCEED_POOL_MASK   2

Definition at line 97 of file mm.h.

Referenced by ExAllocatePoolWithTag().

#define PAGE_FLAGS_VALID_FOR_SECTION
Value:
(PAGE_READONLY | \
PAGE_READWRITE | \
PAGE_WRITECOPY | \
PAGE_EXECUTE | \
PAGE_EXECUTE_READ | \
PAGE_EXECUTE_READWRITE | \
PAGE_EXECUTE_WRITECOPY | \
PAGE_NOACCESS | \
PAGE_NOCACHE)
PAGE_NOCACHE
#define PAGE_NOCACHE
Definition: nt_native.h:1311
PAGE_EXECUTE_WRITECOPY
#define PAGE_EXECUTE_WRITECOPY
Definition: nt_native.h:1309
PAGE_NOACCESS
#define PAGE_NOACCESS
Definition: nt_native.h:1302
PAGE_EXECUTE
#define PAGE_EXECUTE
Definition: nt_native.h:1306
PAGE_READONLY
#define PAGE_READONLY
Definition: compat.h:127
PAGE_WRITECOPY
#define PAGE_WRITECOPY
Definition: nt_native.h:1305
PAGE_EXECUTE_READ
#define PAGE_EXECUTE_READ
Definition: nt_native.h:1307
PAGE_EXECUTE_READWRITE
#define PAGE_EXECUTE_READWRITE
Definition: nt_native.h:1308
PAGE_READWRITE
#define PAGE_READWRITE
Definition: nt_native.h:1304

Definition at line 110 of file mm.h.

Referenced by MmMapViewOfSection().

#define PAGE_IS_EXECUTABLE
Value:
(PAGE_EXECUTE | \
PAGE_EXECUTE_READ | \
PAGE_EXECUTE_READWRITE | \
PAGE_EXECUTE_WRITECOPY)
PAGE_EXECUTE_WRITECOPY
#define PAGE_EXECUTE_WRITECOPY
Definition: nt_native.h:1309
PAGE_EXECUTE
#define PAGE_EXECUTE
Definition: nt_native.h:1306
PAGE_EXECUTE_READ
#define PAGE_EXECUTE_READ
Definition: nt_native.h:1307
PAGE_EXECUTE_READWRITE
#define PAGE_EXECUTE_READWRITE
Definition: nt_native.h:1308

Definition at line 135 of file mm.h.

Referenced by MmspPageAlignSegments(), and ProtectToPTE().

#define PAGE_IS_READABLE
Value:
(PAGE_READONLY | \
PAGE_READWRITE | \
PAGE_WRITECOPY | \
PAGE_EXECUTE_READ | \
PAGE_EXECUTE_READWRITE | \
PAGE_EXECUTE_WRITECOPY)
PAGE_EXECUTE_WRITECOPY
#define PAGE_EXECUTE_WRITECOPY
Definition: nt_native.h:1309
PAGE_READONLY
#define PAGE_READONLY
Definition: compat.h:127
PAGE_WRITECOPY
#define PAGE_WRITECOPY
Definition: nt_native.h:1305
PAGE_EXECUTE_READ
#define PAGE_EXECUTE_READ
Definition: nt_native.h:1307
PAGE_EXECUTE_READWRITE
#define PAGE_EXECUTE_READWRITE
Definition: nt_native.h:1308
PAGE_READWRITE
#define PAGE_READWRITE
Definition: nt_native.h:1304

Definition at line 121 of file mm.h.

Referenced by MmspPageAlignSegments(), and ProtectToPTE().

#define PAGE_IS_WRITABLE
Value:
(PAGE_READWRITE | \
PAGE_WRITECOPY | \
PAGE_EXECUTE_READWRITE | \
PAGE_EXECUTE_WRITECOPY)
PAGE_EXECUTE_WRITECOPY
#define PAGE_EXECUTE_WRITECOPY
Definition: nt_native.h:1309
PAGE_WRITECOPY
#define PAGE_WRITECOPY
Definition: nt_native.h:1305
PAGE_EXECUTE_READWRITE
#define PAGE_EXECUTE_READWRITE
Definition: nt_native.h:1308
PAGE_READWRITE
#define PAGE_READWRITE
Definition: nt_native.h:1304

Definition at line 129 of file mm.h.

Referenced by MmspPageAlignSegments(), and ProtectToPTE().

#define PAGE_IS_WRITECOPY
Value:
(PAGE_WRITECOPY | \
PAGE_EXECUTE_WRITECOPY)
PAGE_EXECUTE_WRITECOPY
#define PAGE_EXECUTE_WRITECOPY
Definition: nt_native.h:1309
PAGE_WRITECOPY
#define PAGE_WRITECOPY
Definition: nt_native.h:1305

Definition at line 141 of file mm.h.

Referenced by MmspPageAlignSegments().

#define PAGE_SYSTEM   (2048)

Definition at line 84 of file mm.h.

Referenced by MmGetPageProtect(), and ProtectToPTE().

#define PAGE_WRITETHROUGH   (1024)

Definition at line 83 of file mm.h.

Referenced by MiGetPteProtection(), MiSetPteProtection(), MmGetPageProtect(), and ProtectToPTE().

#define PAGED_POOL_MASK   1

Definition at line 96 of file mm.h.

Referenced by PsChargeProcessPoolQuota(), and PsReturnPoolQuota().

#define QUOTA_POOL_MASK   8

Definition at line 99 of file mm.h.

#define SEC_PHYSICALMEMORY   (0x80000000)

Definition at line 86 of file mm.h.

Referenced by MmCreatePhysicalMemorySection(), MmCreateSection(), MmNotPresentFaultSectionView(), MmPageOutSectionView(), MmUnmapViewOfSegment(), MmWritePageSectionView(), and NtMapViewOfSection().

#define SESSION_POOL_MASK   32

Definition at line 100 of file mm.h.

Referenced by ExAllocatePoolWithTag(), ExpAddTagForBigPages(), ExpFindAndRemoveTagBigPages(), and ExpInsertPoolTracker().

#define StartOfAllocation   ReadInProgress

Definition at line 287 of file mm.h.

#define STATUS_MM_RESTART_OPERATION   ((NTSTATUS)0xD0000001)

Definition at line 78 of file mm.h.

Referenced by MmNotPresentFault(), MmNotPresentFaultCachePage(), MmNotPresentFaultCacheSectionInner(), MmNotPresentFaultSectionView(), MmpAccessFault(), MmpPageOutPhysicalAddress(), and MmpSectionAccessFaultInner().

#define VERIFIER_POOL_MASK   64

Definition at line 101 of file mm.h.

Referenced by MiAllocatePoolPages().

Typedef Documentation

typedef struct _MEMORY_AREA MEMORY_AREA
typedef enum _MI_PFN_USAGES MI_PFN_USAGES
typedef struct _MM_IMAGE_SECTION_OBJECT MM_IMAGE_SECTION_OBJECT
typedef struct _MM_MEMORY_CONSUMER MM_MEMORY_CONSUMER
typedef struct _MM_PAGED_POOL_INFO MM_PAGED_POOL_INFO
typedef struct _MM_REGION MM_REGION
typedef struct _MM_RMAP_ENTRY MM_RMAP_ENTRY
typedef struct _MM_SECTION_SEGMENT MM_SECTION_SEGMENT
typedef struct _MMFREE_POOL_ENTRY MMFREE_POOL_ENTRY
typedef struct _MMPFN MMPFN
typedef struct _MMPFNENTRY MMPFNENTRY
typedef struct _MMPFNLIST MMPFNLIST
typedef struct _MEMORY_AREA * PMEMORY_AREA
typedef VOID(* PMM_ALTER_REGION_FUNC)(PMMSUPPORT AddressSpace, PVOID BaseAddress, SIZE_T Length, ULONG OldType, ULONG OldProtect, ULONG NewType, ULONG NewProtect)

Definition at line 427 of file mm.h.

typedef VOID(* PMM_FREE_PAGE_FUNC)(PVOID Context, PMEMORY_AREA MemoryArea, PVOID Address, PFN_NUMBER Page, SWAPENTRY SwapEntry, BOOLEAN Dirty)

Definition at line 438 of file mm.h.

typedef struct _MM_IMAGE_SECTION_OBJECT * PMM_IMAGE_SECTION_OBJECT
typedef struct _MM_MEMORY_CONSUMER * PMM_MEMORY_CONSUMER
typedef struct _MM_PAGED_POOL_INFO * PMM_PAGED_POOL_INFO
typedef struct _MM_REGION * PMM_REGION
typedef struct _MM_RMAP_ENTRY * PMM_RMAP_ENTRY
typedef struct _MM_SECTION_SEGMENT * PMM_SECTION_SEGMENT
typedef struct _MMFREE_POOL_ENTRY * PMMFREE_POOL_ENTRY
typedef struct _MMPFN * PMMPFN
typedef struct _MMPFNLIST * PMMPFNLIST
typedef struct _ROS_SECTION_OBJECT * PROS_SECTION_OBJECT
typedef struct _ROS_SECTION_OBJECT ROS_SECTION_OBJECT
typedef ULONG_PTR SWAPENTRY

Definition at line 45 of file mm.h.

Enumeration Type Documentation

enum _MI_PFN_USAGES
Enumerator
MI_USAGE_NOT_SET 
MI_USAGE_PAGED_POOL 
MI_USAGE_NONPAGED_POOL 
MI_USAGE_NONPAGED_POOL_EXPANSION 
MI_USAGE_KERNEL_STACK 
MI_USAGE_KERNEL_STACK_EXPANSION 
MI_USAGE_SYSTEM_PTE 
MI_USAGE_VAD 
MI_USAGE_PEB_TEB 
MI_USAGE_SECTION 
MI_USAGE_PAGE_TABLE 
MI_USAGE_PAGE_DIRECTORY 
MI_USAGE_LEGACY_PAGE_DIRECTORY 
MI_USAGE_DRIVER_PAGE 
MI_USAGE_CONTINOUS_ALLOCATION 
MI_USAGE_MDL 
MI_USAGE_DEMAND_ZERO 
MI_USAGE_ZERO_LOOP 
MI_USAGE_CACHE 
MI_USAGE_PFN_DATABASE 
MI_USAGE_BOOT_DRIVER 
MI_USAGE_INIT_MEMORY 
MI_USAGE_FREE_PAGE 

Definition at line 257 of file mm.h.

258 {
259  MI_USAGE_NOT_SET = 0,
260  MI_USAGE_PAGED_POOL,
261  MI_USAGE_NONPAGED_POOL,
262  MI_USAGE_NONPAGED_POOL_EXPANSION,
263  MI_USAGE_KERNEL_STACK,
264  MI_USAGE_KERNEL_STACK_EXPANSION,
265  MI_USAGE_SYSTEM_PTE,
266  MI_USAGE_VAD,
267  MI_USAGE_PEB_TEB,
268  MI_USAGE_SECTION,
269  MI_USAGE_PAGE_TABLE,
270  MI_USAGE_PAGE_DIRECTORY,
271  MI_USAGE_LEGACY_PAGE_DIRECTORY,
272  MI_USAGE_DRIVER_PAGE,
273  MI_USAGE_CONTINOUS_ALLOCATION,
274  MI_USAGE_MDL,
275  MI_USAGE_DEMAND_ZERO,
276  MI_USAGE_ZERO_LOOP,
277  MI_USAGE_CACHE,
278  MI_USAGE_PFN_DATABASE,
279  MI_USAGE_BOOT_DRIVER,
280  MI_USAGE_INIT_MEMORY,
281  MI_USAGE_FREE_PAGE
282 } MI_PFN_USAGES;
MI_PFN_USAGES
enum _MI_PFN_USAGES MI_PFN_USAGES

Function Documentation

_IRQL_requires_max_ ( APC_LEVEL  )
VOID NTAPI ExpCheckPoolAllocation ( PVOID  P,
POOL_TYPE  PoolType,
ULONG  Tag 
)

Definition at line 286 of file expool.c.

290 {
291  PPOOL_HEADER Entry;
292  ULONG i;
293  KIRQL OldIrql;
294  POOL_TYPE RealPoolType;
295 
296  /* Get the pool header */
297  Entry = ((PPOOL_HEADER)P) - 1;
298 
299  /* Check if this is a large allocation */
300  if (PAGE_ALIGN(P) == P)
301  {
302  /* Lock the pool table */
303  KeAcquireSpinLock(&ExpLargePoolTableLock, &OldIrql);
304 
305  /* Find the pool tag */
306  for (i = 0; i < PoolBigPageTableSize; i++)
307  {
308  /* Check if this is our allocation */
309  if (PoolBigPageTable[i].Va == P)
310  {
311  /* Make sure the tag is ok */
312  if (PoolBigPageTable[i].Key != Tag)
313  {
314  KeBugCheckEx(BAD_POOL_CALLER, 0x0A, (ULONG_PTR)P, PoolBigPageTable[i].Key, Tag);
315  }
316 
317  break;
318  }
319  }
320 
321  /* Release the lock */
322  KeReleaseSpinLock(&ExpLargePoolTableLock, OldIrql);
323 
324  if (i == PoolBigPageTableSize)
325  {
326  /* Did not find the allocation */
327  //ASSERT(FALSE);
328  }
329 
330  /* Get Pool type by address */
331  RealPoolType = MmDeterminePoolType(P);
332  }
333  else
334  {
335  /* Verify the tag */
336  if (Entry->PoolTag != Tag)
337  {
338  DPRINT1("Allocation has wrong pool tag! Expected '%.4s', got '%.4s' (0x%08lx)\n",
339  &Tag, &Entry->PoolTag, Entry->PoolTag);
340  KeBugCheckEx(BAD_POOL_CALLER, 0x0A, (ULONG_PTR)P, Entry->PoolTag, Tag);
341  }
342 
343  /* Check the rest of the header */
344  ExpCheckPoolHeader(Entry);
345 
346  /* Get Pool type from entry */
347  RealPoolType = (Entry->PoolType - 1);
348  }
349 
350  /* Should we check the pool type? */
351  if (PoolType != -1)
352  {
353  /* Verify the pool type */
354  if (RealPoolType != PoolType)
355  {
356  DPRINT1("Wrong pool type! Expected %s, got %s\n",
357  PoolType & BASE_POOL_TYPE_MASK ? "PagedPool" : "NonPagedPool",
358  (Entry->PoolType - 1) & BASE_POOL_TYPE_MASK ? "PagedPool" : "NonPagedPool");
359  KeBugCheckEx(BAD_POOL_CALLER, 0xCC, (ULONG_PTR)P, Entry->PoolTag, Tag);
360  }
361  }
362 }
_POOL_HEADER::PoolTag
ULONG PoolTag
Definition: kmt_test_kernel.h:91
Entry
struct _Entry Entry
Definition: kefuncs.h:640
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
ExpLargePoolTableLock
KSPIN_LOCK ExpLargePoolTableLock
Definition: expool.c:45
KIRQL
UCHAR KIRQL
Definition: env_spec_w32.h:591
i
GLenum GLclampf GLint i
Definition: glfuncs.h:14
PoolBigPageTableSize
SIZE_T PoolBigPageTableSize
Definition: expool.c:39
ExpCheckPoolHeader
VOID NTAPI ExpCheckPoolHeader(IN PPOOL_HEADER Entry)
Definition: expool.c:183
BASE_POOL_TYPE_MASK
#define BASE_POOL_TYPE_MASK
Definition: ExPools.c:15
PPOOL_HEADER
struct _POOL_HEADER * PPOOL_HEADER
MmDeterminePoolType
POOL_TYPE NTAPI MmDeterminePoolType(IN PVOID VirtualAddress)
Definition: pool.c:406
POOL_TYPE
INT POOL_TYPE
Definition: typedefs.h:77
KeAcquireSpinLock
#define KeAcquireSpinLock(sl, irql)
Definition: env_spec_w32.h:609
PAGE_ALIGN
#define PAGE_ALIGN(Va)
PoolType
IN REFCLSID IN PUNKNOWN IN POOL_TYPE PoolType
Definition: unknown.h:68
OldIrql
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:803
KeReleaseSpinLock
#define KeReleaseSpinLock(sl, irql)
Definition: env_spec_w32.h:627
DPRINT1
#define DPRINT1
Definition: precomp.h:8
Tag
IN ULONG IN ULONG Tag
Definition: evtlib.h:153
PoolBigPageTable
PPOOL_TRACKER_BIG_PAGES PoolBigPageTable
Definition: expool.c:41
_POOL_HEADER
Definition: kmt_test_kernel.h:63
ULONG
unsigned int ULONG
Definition: retypes.h:1
KeBugCheckEx
VOID NTAPI KeBugCheckEx(_In_ ULONG BugCheckCode, _In_ ULONG_PTR BugCheckParameter1, _In_ ULONG_PTR BugCheckParameter2, _In_ ULONG_PTR BugCheckParameter3, _In_ ULONG_PTR BugCheckParameter4)
Definition: rtlcompat.c:90
_POOL_HEADER::PoolType
USHORT PoolType
Definition: kmt_test_kernel.h:78
P
#define P(row, col)
Definition: m_matrix.c:147
VOID NTAPI ExReturnPoolQuota ( IN PVOID  P)

Definition at line 1514 of file expool.c.

Referenced by IoFreeIrp().

1515 {
1516  PPOOL_HEADER Entry;
1517  POOL_TYPE PoolType;
1518  USHORT BlockSize;
1519  PEPROCESS Process;
1520 
1521  if ((ExpPoolFlags & POOL_FLAG_SPECIAL_POOL) &&
1522  (MmIsSpecialPoolAddress(P)))
1523  {
1524  return;
1525  }
1526 
1527  Entry = P;
1528  Entry--;
1529  ASSERT((ULONG_PTR)Entry % POOL_BLOCK_SIZE == 0);
1530 
1531  PoolType = Entry->PoolType - 1;
1532  BlockSize = Entry->BlockSize;
1533 
1534  if (PoolType & QUOTA_POOL_MASK)
1535  {
1536  Process = ((PVOID *)POOL_NEXT_BLOCK(Entry))[-1];
1537  ASSERT(Process != NULL);
1538  if (Process)
1539  {
1540  if (Process->Pcb.Header.Type != ProcessObject)
1541  {
1542  DPRINT1("Object %p is not a process. Type %u, pool type 0x%x, block size %u\n",
1543  Process, Process->Pcb.Header.Type, Entry->PoolType, BlockSize);
1544  KeBugCheckEx(BAD_POOL_CALLER,
1545  0x0D,
1546  (ULONG_PTR)P,
1547  Entry->PoolTag,
1548  (ULONG_PTR)Process);
1549  }
1550  ((PVOID *)POOL_NEXT_BLOCK(Entry))[-1] = NULL;
1551  PsReturnPoolQuota(Process,
1552  PoolType & BASE_POOL_TYPE_MASK,
1553  BlockSize * POOL_BLOCK_SIZE);
1554  ObDereferenceObject(Process);
1555  }
1556  }
1557 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
_POOL_HEADER::PoolTag
ULONG PoolTag
Definition: kmt_test_kernel.h:91
Entry
struct _Entry Entry
Definition: kefuncs.h:640
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
POOL_FLAG_SPECIAL_POOL
#define POOL_FLAG_SPECIAL_POOL
Definition: miarm.h:260
_EPROCESS
Definition: pstypes.h:1192
ObDereferenceObject
VOID NTAPI ObDereferenceObject(IN PVOID Object)
Definition: obref.c:267
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
_POOL_HEADER::BlockSize
USHORT BlockSize
Definition: kmt_test_kernel.h:77
POOL_NEXT_BLOCK
#define POOL_NEXT_BLOCK(x)
Definition: expool.c:54
PsReturnPoolQuota
VOID NTAPI PsReturnPoolQuota(IN PEPROCESS Process, IN POOL_TYPE PoolType, IN SIZE_T Amount)
Definition: quota.c:237
NULL
smooth NULL
Definition: ftsmooth.c:513
BASE_POOL_TYPE_MASK
#define BASE_POOL_TYPE_MASK
Definition: ExPools.c:15
POOL_TYPE
INT POOL_TYPE
Definition: typedefs.h:77
PoolType
IN REFCLSID IN PUNKNOWN IN POOL_TYPE PoolType
Definition: unknown.h:68
_DISPATCHER_HEADER::Type
UCHAR Type
Definition: ketypes.h:716
_EPROCESS::Pcb
KPROCESS Pcb
Definition: pstypes.h:1194
QUOTA_POOL_MASK
#define QUOTA_POOL_MASK
Definition: ExPools.c:16
USHORT
unsigned short USHORT
Definition: pedump.c:61
DPRINT1
#define DPRINT1
Definition: precomp.h:8
Process
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:219
_POOL_HEADER
Definition: kmt_test_kernel.h:63
ExpPoolFlags
ULONG ExpPoolFlags
Definition: expool.c:47
POOL_BLOCK_SIZE
#define POOL_BLOCK_SIZE
Definition: miarm.h:246
MmIsSpecialPoolAddress
BOOLEAN NTAPI MmIsSpecialPoolAddress(IN PVOID P)
KeBugCheckEx
VOID NTAPI KeBugCheckEx(_In_ ULONG BugCheckCode, _In_ ULONG_PTR BugCheckParameter1, _In_ ULONG_PTR BugCheckParameter2, _In_ ULONG_PTR BugCheckParameter3, _In_ ULONG_PTR BugCheckParameter4)
Definition: rtlcompat.c:90
_POOL_HEADER::PoolType
USHORT PoolType
Definition: kmt_test_kernel.h:78
_KPROCESS::Header
DISPATCHER_HEADER Header
Definition: ketypes.h:1380
P
#define P(row, col)
Definition: m_matrix.c:147
PVOID NTAPI MiAllocatePoolPages ( IN POOL_TYPE  PoolType,
IN SIZE_T  SizeInBytes 
)

Definition at line 420 of file pool.c.

Referenced by ExAllocatePoolWithTag(), and InitializePool().

422 {
423  PFN_NUMBER PageFrameNumber;
424  PFN_COUNT SizeInPages, PageTableCount;
425  ULONG i;
426  KIRQL OldIrql;
427  PLIST_ENTRY NextEntry, NextHead, LastHead;
428  PMMPTE PointerPte, StartPte;
429  PMMPDE PointerPde;
430  ULONG EndAllocation;
431  MMPTE TempPte;
432  MMPDE TempPde;
433  PMMPFN Pfn1;
434  PVOID BaseVa, BaseVaStart;
435  PMMFREE_POOL_ENTRY FreeEntry;
436  PKSPIN_LOCK_QUEUE LockQueue;
437 
438  //
439  // Figure out how big the allocation is in pages
440  //
441  SizeInPages = (PFN_COUNT)BYTES_TO_PAGES(SizeInBytes);
442 
443  //
444  // Check for overflow
445  //
446  if (SizeInPages == 0)
447  {
448  //
449  // Fail
450  //
451  return NULL;
452  }
453 
454  //
455  // Handle paged pool
456  //
457  if ((PoolType & BASE_POOL_TYPE_MASK) == PagedPool)
458  {
459  //
460  // If only one page is being requested, try to grab it from the S-LIST
461  //
462  if ((SizeInPages == 1) && (ExQueryDepthSList(&MiPagedPoolSListHead)))
463  {
464  BaseVa = InterlockedPopEntrySList(&MiPagedPoolSListHead);
465  if (BaseVa) return BaseVa;
466  }
467 
468  //
469  // Lock the paged pool mutex
470  //
471  KeAcquireGuardedMutex(&MmPagedPoolMutex);
472 
473  //
474  // Find some empty allocation space
475  //
476  i = RtlFindClearBitsAndSet(MmPagedPoolInfo.PagedPoolAllocationMap,
477  SizeInPages,
478  MmPagedPoolInfo.PagedPoolHint);
479  if (i == 0xFFFFFFFF)
480  {
481  //
482  // Get the page bit count
483  //
484  i = ((SizeInPages - 1) / PTE_COUNT) + 1;
485  DPRINT("Paged pool expansion: %lu %x\n", i, SizeInPages);
486 
487  //
488  // Check if there is enougn paged pool expansion space left
489  //
490  if (MmPagedPoolInfo.NextPdeForPagedPoolExpansion >
491  (PMMPDE)MiAddressToPte(MmPagedPoolInfo.LastPteForPagedPool))
492  {
493  //
494  // Out of memory!
495  //
496  DPRINT1("OUT OF PAGED POOL!!!\n");
497  KeReleaseGuardedMutex(&MmPagedPoolMutex);
498  return NULL;
499  }
500 
501  //
502  // Check if we'll have to expand past the last PTE we have available
503  //
504  if (((i - 1) + MmPagedPoolInfo.NextPdeForPagedPoolExpansion) >
505  (PMMPDE)MiAddressToPte(MmPagedPoolInfo.LastPteForPagedPool))
506  {
507  //
508  // We can only support this much then
509  //
510  PointerPde = MiPteToPde(MmPagedPoolInfo.LastPteForPagedPool);
511  PageTableCount = (PFN_COUNT)(PointerPde + 1 -
512  MmPagedPoolInfo.NextPdeForPagedPoolExpansion);
513  ASSERT(PageTableCount < i);
514  i = PageTableCount;
515  }
516  else
517  {
518  //
519  // Otherwise, there is plenty of space left for this expansion
520  //
521  PageTableCount = i;
522  }
523 
524  //
525  // Get the template PDE we'll use to expand
526  //
527  TempPde = ValidKernelPde;
528 
529  //
530  // Get the first PTE in expansion space
531  //
532  PointerPde = MmPagedPoolInfo.NextPdeForPagedPoolExpansion;
533  BaseVa = MiPdeToPte(PointerPde);
534  BaseVaStart = BaseVa;
535 
536  //
537  // Lock the PFN database and loop pages
538  //
539  OldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
540  do
541  {
542  //
543  // It should not already be valid
544  //
545  ASSERT(PointerPde->u.Hard.Valid == 0);
546 
547  /* Request a page */
548  MI_SET_USAGE(MI_USAGE_PAGED_POOL);
549  MI_SET_PROCESS2("Kernel");
550  PageFrameNumber = MiRemoveAnyPage(MI_GET_NEXT_COLOR());
551  TempPde.u.Hard.PageFrameNumber = PageFrameNumber;
552 #if (_MI_PAGING_LEVELS >= 3)
553  /* On PAE/x64 systems, there's no double-buffering */
554  ASSERT(FALSE);
555 #else
556  //
557  // Save it into our double-buffered system page directory
558  //
559  MmSystemPagePtes[((ULONG_PTR)PointerPde & (SYSTEM_PD_SIZE - 1)) / sizeof(MMPTE)] = TempPde;
560 
561  /* Initialize the PFN */
562  MiInitializePfnForOtherProcess(PageFrameNumber,
563  (PMMPTE)PointerPde,
564  MmSystemPageDirectory[(PointerPde - MiAddressToPde(NULL)) / PDE_COUNT]);
565 
566  /* Write the actual PDE now */
567 // MI_WRITE_VALID_PDE(PointerPde, TempPde);
568 #endif
569  //
570  // Move on to the next expansion address
571  //
572  PointerPde++;
573  BaseVa = (PVOID)((ULONG_PTR)BaseVa + PAGE_SIZE);
574  i--;
575  } while (i > 0);
576 
577  //
578  // Release the PFN database lock
579  //
580  KeReleaseQueuedSpinLock(LockQueuePfnLock, OldIrql);
581 
582  //
583  // These pages are now available, clear their availablity bits
584  //
585  EndAllocation = (ULONG)(MmPagedPoolInfo.NextPdeForPagedPoolExpansion -
586  (PMMPDE)MiAddressToPte(MmPagedPoolInfo.FirstPteForPagedPool)) *
587  PTE_COUNT;
588  RtlClearBits(MmPagedPoolInfo.PagedPoolAllocationMap,
589  EndAllocation,
590  PageTableCount * PTE_COUNT);
591 
592  //
593  // Update the next expansion location
594  //
595  MmPagedPoolInfo.NextPdeForPagedPoolExpansion += PageTableCount;
596 
597  //
598  // Zero out the newly available memory
599  //
600  RtlZeroMemory(BaseVaStart, PageTableCount * PAGE_SIZE);
601 
602  //
603  // Now try consuming the pages again
604  //
605  i = RtlFindClearBitsAndSet(MmPagedPoolInfo.PagedPoolAllocationMap,
606  SizeInPages,
607  0);
608  if (i == 0xFFFFFFFF)
609  {
610  //
611  // Out of memory!
612  //
613  DPRINT1("OUT OF PAGED POOL!!!\n");
614  KeReleaseGuardedMutex(&MmPagedPoolMutex);
615  return NULL;
616  }
617  }
618 
619  //
620  // Update the pool hint if the request was just one page
621  //
622  if (SizeInPages == 1) MmPagedPoolInfo.PagedPoolHint = i + 1;
623 
624  //
625  // Update the end bitmap so we know the bounds of this allocation when
626  // the time comes to free it
627  //
628  EndAllocation = i + SizeInPages - 1;
629  RtlSetBit(MmPagedPoolInfo.EndOfPagedPoolBitmap, EndAllocation);
630 
631  //
632  // Now we can release the lock (it mainly protects the bitmap)
633  //
634  KeReleaseGuardedMutex(&MmPagedPoolMutex);
635 
636  //
637  // Now figure out where this allocation starts
638  //
639  BaseVa = (PVOID)((ULONG_PTR)MmPagedPoolStart + (i << PAGE_SHIFT));
640 
641  //
642  // Flush the TLB
643  //
644  KeFlushEntireTb(TRUE, TRUE);
645 
646  /* Setup a demand-zero writable PTE */
647  MI_MAKE_SOFTWARE_PTE(&TempPte, MM_READWRITE);
648 
649  //
650  // Find the first and last PTE, then loop them all
651  //
652  PointerPte = MiAddressToPte(BaseVa);
653  StartPte = PointerPte + SizeInPages;
654  do
655  {
656  //
657  // Write the demand zero PTE and keep going
658  //
659  MI_WRITE_INVALID_PTE(PointerPte, TempPte);
660  } while (++PointerPte < StartPte);
661 
662  //
663  // Return the allocation address to the caller
664  //
665  return BaseVa;
666  }
667 
668  //
669  // If only one page is being requested, try to grab it from the S-LIST
670  //
671  if ((SizeInPages == 1) && (ExQueryDepthSList(&MiNonPagedPoolSListHead)))
672  {
673  BaseVa = InterlockedPopEntrySList(&MiNonPagedPoolSListHead);
674  if (BaseVa) return BaseVa;
675  }
676 
677  //
678  // Allocations of less than 4 pages go into their individual buckets
679  //
680  i = SizeInPages - 1;
681  if (i >= MI_MAX_FREE_PAGE_LISTS) i = MI_MAX_FREE_PAGE_LISTS - 1;
682 
683  //
684  // Loop through all the free page lists based on the page index
685  //
686  NextHead = &MmNonPagedPoolFreeListHead[i];
687  LastHead = &MmNonPagedPoolFreeListHead[MI_MAX_FREE_PAGE_LISTS];
688 
689  //
690  // Acquire the nonpaged pool lock
691  //
692  OldIrql = KeAcquireQueuedSpinLock(LockQueueMmNonPagedPoolLock);
693  do
694  {
695  //
696  // Now loop through all the free page entries in this given list
697  //
698  NextEntry = NextHead->Flink;
699  while (NextEntry != NextHead)
700  {
701  /* Is freed non paged pool enabled */
702  if (MmProtectFreedNonPagedPool)
703  {
704  /* We need to be able to touch this page, unprotect it */
705  MiUnProtectFreeNonPagedPool(NextEntry, 0);
706  }
707 
708  //
709  // Grab the entry and see if it can handle our allocation
710  //
711  FreeEntry = CONTAINING_RECORD(NextEntry, MMFREE_POOL_ENTRY, List);
712  ASSERT(FreeEntry->Signature == MM_FREE_POOL_SIGNATURE);
713  if (FreeEntry->Size >= SizeInPages)
714  {
715  //
716  // It does, so consume the pages from here
717  //
718  FreeEntry->Size -= SizeInPages;
719 
720  //
721  // The allocation will begin in this free page area
722  //
723  BaseVa = (PVOID)((ULONG_PTR)FreeEntry +
724  (FreeEntry->Size << PAGE_SHIFT));
725 
726  /* Remove the item from the list, depending if pool is protected */
727  if (MmProtectFreedNonPagedPool)
728  MiProtectedPoolRemoveEntryList(&FreeEntry->List);
729  else
730  RemoveEntryList(&FreeEntry->List);
731 
732  //
733  // However, check if its' still got space left
734  //
735  if (FreeEntry->Size != 0)
736  {
737  /* Check which list to insert this entry into */
738  i = FreeEntry->Size - 1;
739  if (i >= MI_MAX_FREE_PAGE_LISTS) i = MI_MAX_FREE_PAGE_LISTS - 1;
740 
741  /* Insert the entry into the free list head, check for prot. pool */
742  if (MmProtectFreedNonPagedPool)
743  MiProtectedPoolInsertList(&MmNonPagedPoolFreeListHead[i], &FreeEntry->List, TRUE);
744  else
745  InsertTailList(&MmNonPagedPoolFreeListHead[i], &FreeEntry->List);
746 
747  /* Is freed non paged pool protected? */
748  if (MmProtectFreedNonPagedPool)
749  {
750  /* Protect the freed pool! */
751  MiProtectFreeNonPagedPool(FreeEntry, FreeEntry->Size);
752  }
753  }
754 
755  //
756  // Grab the PTE for this allocation
757  //
758  PointerPte = MiAddressToPte(BaseVa);
759  ASSERT(PointerPte->u.Hard.Valid == 1);
760 
761  //
762  // Grab the PFN NextEntry and index
763  //
764  Pfn1 = MiGetPfnEntry(PFN_FROM_PTE(PointerPte));
765 
766  //
767  // Now mark it as the beginning of an allocation
768  //
769  ASSERT(Pfn1->u3.e1.StartOfAllocation == 0);
770  Pfn1->u3.e1.StartOfAllocation = 1;
771 
772  /* Mark it as special pool if needed */
773  ASSERT(Pfn1->u4.VerifierAllocation == 0);
774  if (PoolType & VERIFIER_POOL_MASK)
775  {
776  Pfn1->u4.VerifierAllocation = 1;
777  }
778 
779  //
780  // Check if the allocation is larger than one page
781  //
782  if (SizeInPages != 1)
783  {
784  //
785  // Navigate to the last PFN entry and PTE
786  //
787  PointerPte += SizeInPages - 1;
788  ASSERT(PointerPte->u.Hard.Valid == 1);
789  Pfn1 = MiGetPfnEntry(PointerPte->u.Hard.PageFrameNumber);
790  }
791 
792  //
793  // Mark this PFN as the last (might be the same as the first)
794  //
795  ASSERT(Pfn1->u3.e1.EndOfAllocation == 0);
796  Pfn1->u3.e1.EndOfAllocation = 1;
797 
798  //
799  // Release the nonpaged pool lock, and return the allocation
800  //
801  KeReleaseQueuedSpinLock(LockQueueMmNonPagedPoolLock, OldIrql);
802  return BaseVa;
803  }
804 
805  //
806  // Try the next free page entry
807  //
808  NextEntry = FreeEntry->List.Flink;
809 
810  /* Is freed non paged pool protected? */
811  if (MmProtectFreedNonPagedPool)
812  {
813  /* Protect the freed pool! */
814  MiProtectFreeNonPagedPool(FreeEntry, FreeEntry->Size);
815  }
816  }
817  } while (++NextHead < LastHead);
818 
819  //
820  // If we got here, we're out of space.
821  // Start by releasing the lock
822  //
823  KeReleaseQueuedSpinLock(LockQueueMmNonPagedPoolLock, OldIrql);
824 
825  //
826  // Allocate some system PTEs
827  //
828  StartPte = MiReserveSystemPtes(SizeInPages, NonPagedPoolExpansion);
829  PointerPte = StartPte;
830  if (StartPte == NULL)
831  {
832  //
833  // Ran out of memory
834  //
835  DPRINT1("Out of NP Expansion Pool\n");
836  return NULL;
837  }
838 
839  //
840  // Acquire the pool lock now
841  //
842  OldIrql = KeAcquireQueuedSpinLock(LockQueueMmNonPagedPoolLock);
843 
844  //
845  // Lock the PFN database too
846  //
847  LockQueue = &KeGetCurrentPrcb()->LockQueue[LockQueuePfnLock];
848  KeAcquireQueuedSpinLockAtDpcLevel(LockQueue);
849 
850  //
851  // Loop the pages
852  //
853  TempPte = ValidKernelPte;
854  do
855  {
856  /* Allocate a page */
857  MI_SET_USAGE(MI_USAGE_PAGED_POOL);
858  MI_SET_PROCESS2("Kernel");
859  PageFrameNumber = MiRemoveAnyPage(MI_GET_NEXT_COLOR());
860 
861  /* Get the PFN entry for it and fill it out */
862  Pfn1 = MiGetPfnEntry(PageFrameNumber);
863  Pfn1->u3.e2.ReferenceCount = 1;
864  Pfn1->u2.ShareCount = 1;
865  Pfn1->PteAddress = PointerPte;
866  Pfn1->u3.e1.PageLocation = ActiveAndValid;
867  Pfn1->u4.VerifierAllocation = 0;
868 
869  /* Write the PTE for it */
870  TempPte.u.Hard.PageFrameNumber = PageFrameNumber;
871  MI_WRITE_VALID_PTE(PointerPte++, TempPte);
872  } while (--SizeInPages > 0);
873 
874  //
875  // This is the last page
876  //
877  Pfn1->u3.e1.EndOfAllocation = 1;
878 
879  //
880  // Get the first page and mark it as such
881  //
882  Pfn1 = MiGetPfnEntry(StartPte->u.Hard.PageFrameNumber);
883  Pfn1->u3.e1.StartOfAllocation = 1;
884 
885  /* Mark it as a verifier allocation if needed */
886  ASSERT(Pfn1->u4.VerifierAllocation == 0);
887  if (PoolType & VERIFIER_POOL_MASK) Pfn1->u4.VerifierAllocation = 1;
888 
889  //
890  // Release the PFN and nonpaged pool lock
891  //
892  KeReleaseQueuedSpinLockFromDpcLevel(LockQueue);
893  KeReleaseQueuedSpinLock(LockQueueMmNonPagedPoolLock, OldIrql);
894 
895  //
896  // Return the address
897  //
898  return MiPteToAddress(StartPte);
899 }
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#define PFN_FROM_PTE(v)
Definition: mm.h:82
_MM_PAGED_POOL_INFO::NextPdeForPagedPoolExpansion
PMMPDE NextPdeForPagedPoolExpansion
Definition: mm.h:418
VOID NTAPI MiCheckAllProcessMemoryAreas ( VOID  )
NTSTATUS NTAPI MiCopyFromUserPage ( PFN_NUMBER  NewPage,
PFN_NUMBER  OldPage 
)

Definition at line 1043 of file section.c.

Referenced by MmAccessFaultSectionView().

1044 {
1045  PEPROCESS Process;
1046  KIRQL Irql, Irql2;
1047  PVOID DestAddress, SrcAddress;
1048 
1049  Process = PsGetCurrentProcess();
1050  DestAddress = MiMapPageInHyperSpace(Process, DestPage, &Irql);
1051  SrcAddress = MiMapPageInHyperSpace(Process, SrcPage, &Irql2);
1052  if (DestAddress == NULL || SrcAddress == NULL)
1053  {
1054  return(STATUS_NO_MEMORY);
1055  }
1056  ASSERT((ULONG_PTR)DestAddress % PAGE_SIZE == 0);
1057  ASSERT((ULONG_PTR)SrcAddress % PAGE_SIZE == 0);
1058  RtlCopyMemory(DestAddress, SrcAddress, PAGE_SIZE);
1059  MiUnmapPageInHyperSpace(Process, SrcAddress, Irql2);
1060  MiUnmapPageInHyperSpace(Process, DestAddress, Irql);
1061  return(STATUS_SUCCESS);
1062 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
STATUS_SUCCESS
#define STATUS_SUCCESS
Definition: contextmenu.cpp:55
RtlCopyMemory
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
_EPROCESS
Definition: pstypes.h:1192
Irql
_Out_ PKIRQL Irql
Definition: csq.h:179
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
KIRQL
UCHAR KIRQL
Definition: env_spec_w32.h:591
PsGetCurrentProcess
#define PsGetCurrentProcess
Definition: psfuncs.h:17
MiMapPageInHyperSpace
PVOID NTAPI MiMapPageInHyperSpace(IN PEPROCESS Process, IN PFN_NUMBER Page, IN PKIRQL OldIrql)
Definition: hypermap.c:30
NULL
smooth NULL
Definition: ftsmooth.c:513
MiUnmapPageInHyperSpace
VOID NTAPI MiUnmapPageInHyperSpace(IN PEPROCESS Process, IN PVOID Address, IN KIRQL OldIrql)
Definition: hypermap.c:93
PAGE_SIZE
#define PAGE_SIZE
Definition: env_spec_w32.h:49
STATUS_NO_MEMORY
#define STATUS_NO_MEMORY
Definition: ntstatus.h:246
Process
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:219
ULONG NTAPI MiFreePoolPages ( IN PVOID  StartingAddress)

Definition at line 903 of file pool.c.

Referenced by ExFreePoolWithTag().

904 {
905  PMMPTE PointerPte, StartPte;
906  PMMPFN Pfn1, StartPfn;
907  PFN_COUNT FreePages, NumberOfPages;
908  KIRQL OldIrql;
909  PMMFREE_POOL_ENTRY FreeEntry, NextEntry, LastEntry;
910  ULONG i, End;
911  ULONG_PTR Offset;
912 
913  //
914  // Handle paged pool
915  //
916  if ((StartingVa >= MmPagedPoolStart) && (StartingVa <= MmPagedPoolEnd))
917  {
918  //
919  // Calculate the offset from the beginning of paged pool, and convert it
920  // into pages
921  //
922  Offset = (ULONG_PTR)StartingVa - (ULONG_PTR)MmPagedPoolStart;
923  i = (ULONG)(Offset >> PAGE_SHIFT);
924  End = i;
925 
926  //
927  // Now use the end bitmap to scan until we find a set bit, meaning that
928  // this allocation finishes here
929  //
930  while (!RtlTestBit(MmPagedPoolInfo.EndOfPagedPoolBitmap, End)) End++;
931 
932  //
933  // Now calculate the total number of pages this allocation spans. If it's
934  // only one page, add it to the S-LIST instead of freeing it
935  //
936  NumberOfPages = End - i + 1;
937  if ((NumberOfPages == 1) &&
938  (ExQueryDepthSList(&MiPagedPoolSListHead) < MiPagedPoolSListMaximum))
939  {
940  InterlockedPushEntrySList(&MiPagedPoolSListHead, StartingVa);
941  return 1;
942  }
943 
944  /* Delete the actual pages */
945  PointerPte = MmPagedPoolInfo.FirstPteForPagedPool + i;
946  FreePages = MiDeleteSystemPageableVm(PointerPte, NumberOfPages, 0, NULL);
947  ASSERT(FreePages == NumberOfPages);
948 
949  //
950  // Acquire the paged pool lock
951  //
952  KeAcquireGuardedMutex(&MmPagedPoolMutex);
953 
954  //
955  // Clear the allocation and free bits
956  //
957  RtlClearBit(MmPagedPoolInfo.EndOfPagedPoolBitmap, End);
958  RtlClearBits(MmPagedPoolInfo.PagedPoolAllocationMap, i, NumberOfPages);
959 
960  //
961  // Update the hint if we need to
962  //
963  if (i < MmPagedPoolInfo.PagedPoolHint) MmPagedPoolInfo.PagedPoolHint = i;
964 
965  //
966  // Release the lock protecting the bitmaps
967  //
968  KeReleaseGuardedMutex(&MmPagedPoolMutex);
969 
970  //
971  // And finally return the number of pages freed
972  //
973  return NumberOfPages;
974  }
975 
976  //
977  // Get the first PTE and its corresponding PFN entry. If this is also the
978  // last PTE, meaning that this allocation was only for one page, push it into
979  // the S-LIST instead of freeing it
980  //
981  StartPte = PointerPte = MiAddressToPte(StartingVa);
982  StartPfn = Pfn1 = MiGetPfnEntry(PointerPte->u.Hard.PageFrameNumber);
983  if ((Pfn1->u3.e1.EndOfAllocation == 1) &&
984  (ExQueryDepthSList(&MiNonPagedPoolSListHead) < MiNonPagedPoolSListMaximum))
985  {
986  InterlockedPushEntrySList(&MiNonPagedPoolSListHead, StartingVa);
987  return 1;
988  }
989 
990  //
991  // Loop until we find the last PTE
992  //
993  while (Pfn1->u3.e1.EndOfAllocation == 0)
994  {
995  //
996  // Keep going
997  //
998  PointerPte++;
999  Pfn1 = MiGetPfnEntry(PointerPte->u.Hard.PageFrameNumber);
1000  }
1001 
1002  //
1003  // Now we know how many pages we have
1004  //
1005  NumberOfPages = (PFN_COUNT)(PointerPte - StartPte + 1);
1006 
1007  //
1008  // Acquire the nonpaged pool lock
1009  //
1010  OldIrql = KeAcquireQueuedSpinLock(LockQueueMmNonPagedPoolLock);
1011 
1012  //
1013  // Mark the first and last PTEs as not part of an allocation anymore
1014  //
1015  StartPfn->u3.e1.StartOfAllocation = 0;
1016  Pfn1->u3.e1.EndOfAllocation = 0;
1017 
1018  //
1019  // Assume we will free as many pages as the allocation was
1020  //
1021  FreePages = NumberOfPages;
1022 
1023  //
1024  // Peek one page past the end of the allocation
1025  //
1026  PointerPte++;
1027 
1028  //
1029  // Guard against going past initial nonpaged pool
1030  //
1031  if (MiGetPfnEntryIndex(Pfn1) == MiEndOfInitialPoolFrame)
1032  {
1033  //
1034  // This page is on the outskirts of initial nonpaged pool, so ignore it
1035  //
1036  Pfn1 = NULL;
1037  }
1038  else
1039  {
1040  /* Sanity check */
1041  ASSERT((ULONG_PTR)StartingVa + NumberOfPages <= (ULONG_PTR)MmNonPagedPoolEnd);
1042 
1043  /* Check if protected pool is enabled */
1044  if (MmProtectFreedNonPagedPool)
1045  {
1046  /* The freed block will be merged, it must be made accessible */
1047  MiUnProtectFreeNonPagedPool(MiPteToAddress(PointerPte), 0);
1048  }
1049 
1050  //
1051  // Otherwise, our entire allocation must've fit within the initial non
1052  // paged pool, or the expansion nonpaged pool, so get the PFN entry of
1053  // the next allocation
1054  //
1055  if (PointerPte->u.Hard.Valid == 1)
1056  {
1057  //
1058  // It's either expansion or initial: get the PFN entry
1059  //
1060  Pfn1 = MiGetPfnEntry(PointerPte->u.Hard.PageFrameNumber);
1061  }
1062  else
1063  {
1064  //
1065  // This means we've reached the guard page that protects the end of
1066  // the expansion nonpaged pool
1067  //
1068  Pfn1 = NULL;
1069  }
1070 
1071  }
1072 
1073  //
1074  // Check if this allocation actually exists
1075  //
1076  if ((Pfn1) && (Pfn1->u3.e1.StartOfAllocation == 0))
1077  {
1078  //
1079  // It doesn't, so we should actually locate a free entry descriptor
1080  //
1081  FreeEntry = (PMMFREE_POOL_ENTRY)((ULONG_PTR)StartingVa +
1082  (NumberOfPages << PAGE_SHIFT));
1083  ASSERT(FreeEntry->Signature == MM_FREE_POOL_SIGNATURE);
1084  ASSERT(FreeEntry->Owner == FreeEntry);
1085 
1086  /* Consume this entry's pages */
1087  FreePages += FreeEntry->Size;
1088 
1089  /* Remove the item from the list, depending if pool is protected */
1090  if (MmProtectFreedNonPagedPool)
1091  MiProtectedPoolRemoveEntryList(&FreeEntry->List);
1092  else
1093  RemoveEntryList(&FreeEntry->List);
1094  }
1095 
1096  //
1097  // Now get the official free entry we'll create for the caller's allocation
1098  //
1099  FreeEntry = StartingVa;
1100 
1101  //
1102  // Check if the our allocation is the very first page
1103  //
1104  if (MiGetPfnEntryIndex(StartPfn) == MiStartOfInitialPoolFrame)
1105  {
1106  //
1107  // Then we can't do anything or we'll risk underflowing
1108  //
1109  Pfn1 = NULL;
1110  }
1111  else
1112  {
1113  //
1114  // Otherwise, get the PTE for the page right before our allocation
1115  //
1116  PointerPte -= NumberOfPages + 1;
1117 
1118  /* Check if protected pool is enabled */
1119  if (MmProtectFreedNonPagedPool)
1120  {
1121  /* The freed block will be merged, it must be made accessible */
1122  MiUnProtectFreeNonPagedPool(MiPteToAddress(PointerPte), 0);
1123  }
1124 
1125  /* Check if this is valid pool, or a guard page */
1126  if (PointerPte->u.Hard.Valid == 1)
1127  {
1128  //
1129  // It's either expansion or initial nonpaged pool, get the PFN entry
1130  //
1131  Pfn1 = MiGetPfnEntry(PointerPte->u.Hard.PageFrameNumber);
1132  }
1133  else
1134  {
1135  //
1136  // We must've reached the guard page, so don't risk touching it
1137  //
1138  Pfn1 = NULL;
1139  }
1140  }
1141 
1142  //
1143  // Check if there is a valid PFN entry for the page before the allocation
1144  // and then check if this page was actually the end of an allocation.
1145  // If it wasn't, then we know for sure it's a free page
1146  //
1147  if ((Pfn1) && (Pfn1->u3.e1.EndOfAllocation == 0))
1148  {
1149  //
1150  // Get the free entry descriptor for that given page range
1151  //
1152  FreeEntry = (PMMFREE_POOL_ENTRY)((ULONG_PTR)StartingVa - PAGE_SIZE);
1153  ASSERT(FreeEntry->Signature == MM_FREE_POOL_SIGNATURE);
1154  FreeEntry = FreeEntry->Owner;
1155 
1156  /* Check if protected pool is enabled */
1157  if (MmProtectFreedNonPagedPool)
1158  {
1159  /* The freed block will be merged, it must be made accessible */
1160  MiUnProtectFreeNonPagedPool(FreeEntry, 0);
1161  }
1162 
1163  //
1164  // Check if the entry is small enough to be indexed on a free list
1165  // If it is, we'll want to re-insert it, since we're about to
1166  // collapse our pages on top of it, which will change its count
1167  //
1168  if (FreeEntry->Size < (MI_MAX_FREE_PAGE_LISTS - 1))
1169  {
1170  /* Remove the item from the list, depending if pool is protected */
1171  if (MmProtectFreedNonPagedPool)
1172  MiProtectedPoolRemoveEntryList(&FreeEntry->List);
1173  else
1174  RemoveEntryList(&FreeEntry->List);
1175 
1176  //
1177  // Update its size
1178  //
1179  FreeEntry->Size += FreePages;
1180 
1181  //
1182  // And now find the new appropriate list to place it in
1183  //
1184  i = (ULONG)(FreeEntry->Size - 1);
1185  if (i >= MI_MAX_FREE_PAGE_LISTS) i = MI_MAX_FREE_PAGE_LISTS - 1;
1186 
1187  /* Insert the entry into the free list head, check for prot. pool */
1188  if (MmProtectFreedNonPagedPool)
1189  MiProtectedPoolInsertList(&MmNonPagedPoolFreeListHead[i], &FreeEntry->List, TRUE);
1190  else
1191  InsertTailList(&MmNonPagedPoolFreeListHead[i], &FreeEntry->List);
1192  }
1193  else
1194  {
1195  //
1196  // Otherwise, just combine our free pages into this entry
1197  //
1198  FreeEntry->Size += FreePages;
1199  }
1200  }
1201 
1202  //
1203  // Check if we were unable to do any compaction, and we'll stick with this
1204  //
1205  if (FreeEntry == StartingVa)
1206  {
1207  //
1208  // Well, now we are a free entry. At worse we just have our newly freed
1209  // pages, at best we have our pages plus whatever entry came after us
1210  //
1211  FreeEntry->Size = FreePages;
1212 
1213  //
1214  // Find the appropriate list we should be on
1215  //
1216  i = FreeEntry->Size - 1;
1217  if (i >= MI_MAX_FREE_PAGE_LISTS) i = MI_MAX_FREE_PAGE_LISTS - 1;
1218 
1219  /* Insert the entry into the free list head, check for prot. pool */
1220  if (MmProtectFreedNonPagedPool)
1221  MiProtectedPoolInsertList(&MmNonPagedPoolFreeListHead[i], &FreeEntry->List, TRUE);
1222  else
1223  InsertTailList(&MmNonPagedPoolFreeListHead[i], &FreeEntry->List);
1224  }
1225 
1226  //
1227  // Just a sanity check
1228  //
1229  ASSERT(FreePages != 0);
1230 
1231  //
1232  // Get all the pages between our allocation and its end. These will all now
1233  // become free page chunks.
1234  //
1235  NextEntry = StartingVa;
1236  LastEntry = (PMMFREE_POOL_ENTRY)((ULONG_PTR)NextEntry + (FreePages << PAGE_SHIFT));
1237  do
1238  {
1239  //
1240  // Link back to the parent free entry, and keep going
1241  //
1242  NextEntry->Owner = FreeEntry;
1243  NextEntry->Signature = MM_FREE_POOL_SIGNATURE;
1244  NextEntry = (PMMFREE_POOL_ENTRY)((ULONG_PTR)NextEntry + PAGE_SIZE);
1245  } while (NextEntry != LastEntry);
1246 
1247  /* Is freed non paged pool protected? */
1248  if (MmProtectFreedNonPagedPool)
1249  {
1250  /* Protect the freed pool! */
1251  MiProtectFreeNonPagedPool(FreeEntry, FreeEntry->Size);
1252  }
1253 
1254  //
1255  // We're done, release the lock and let the caller know how much we freed
1256  //
1257  KeReleaseQueuedSpinLock(LockQueueMmNonPagedPoolLock, OldIrql);
1258  return NumberOfPages;
1259 }
_MM_PAGED_POOL_INFO::PagedPoolAllocationMap
PRTL_BITMAP PagedPoolAllocationMap
Definition: mm.h:414
PAGE_SHIFT
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
RtlClearBits
NTSYSAPI void WINAPI RtlClearBits(PRTL_BITMAP, ULONG, ULONG)
TRUE
#define TRUE
Definition: types.h:120
MiUnProtectFreeNonPagedPool
BOOLEAN NTAPI MiUnProtectFreeNonPagedPool(IN PVOID VirtualAddress, IN ULONG PageCount)
Definition: pool.c:68
MiEndOfInitialPoolFrame
PFN_NUMBER MiEndOfInitialPoolFrame
Definition: pool.c:23
KeAcquireGuardedMutex
VOID FASTCALL KeAcquireGuardedMutex(IN PKGUARDED_MUTEX GuardedMutex)
Definition: gmutex.c:42
PFN_COUNT
ULONG PFN_COUNT
Definition: mmtypes.h:102
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
_MMFREE_POOL_ENTRY::Signature
ULONG Signature
Definition: mm.h:404
MmPagedPoolEnd
PVOID MmPagedPoolEnd
Definition: init.c:26
InsertTailList
#define InsertTailList(ListHead, Entry)
Definition: env_spec_w32.h:1003
MiNonPagedPoolSListHead
SLIST_HEADER MiNonPagedPoolSListHead
Definition: pool.c:30
MmNonPagedPoolEnd
PVOID MmNonPagedPoolEnd
Definition: mminit.c:99
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
RemoveEntryList
FORCEINLINE BOOLEAN RemoveEntryList(_In_ PLIST_ENTRY Entry)
Definition: rtlfuncs.h:105
KIRQL
UCHAR KIRQL
Definition: env_spec_w32.h:591
_MMPFN::e1
MMPFNENTRY e1
Definition: mm.h:329
i
GLenum GLclampf GLint i
Definition: glfuncs.h:14
MiAddressToPte
#define MiAddressToPte(x)
Definition: mmx86.c:19
Offset
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
MiProtectedPoolRemoveEntryList
VOID NTAPI MiProtectedPoolRemoveEntryList(IN PLIST_ENTRY Entry)
Definition: pool.c:166
MiStartOfInitialPoolFrame
PFN_NUMBER MiStartOfInitialPoolFrame
Definition: pool.c:23
_MMFREE_POOL_ENTRY::List
LIST_ENTRY List
Definition: mm.h:402
MI_MAX_FREE_PAGE_LISTS
#define MI_MAX_FREE_PAGE_LISTS
Definition: mm.h:70
NULL
smooth NULL
Definition: ftsmooth.c:513
MiPteToAddress
PVOID FORCEINLINE MiPteToAddress(PMMPTE PointerPte)
Definition: mm.h:185
MmPagedPoolMutex
KGUARDED_MUTEX MmPagedPoolMutex
Definition: pool.c:24
_MMFREE_POOL_ENTRY::Size
PFN_COUNT Size
Definition: mm.h:403
MM_FREE_POOL_SIGNATURE
#define MM_FREE_POOL_SIGNATURE
Definition: mm.h:409
_MMFREE_POOL_ENTRY
Definition: mm.h:400
_MMPTE_HARDWARE::Valid
ULONG64 Valid
Definition: mmtypes.h:150
MmPagedPoolInfo
MM_PAGED_POOL_INFO MmPagedPoolInfo
Definition: pool.c:25
RtlClearBit
VOID NTAPI RtlClearBit(_In_ PRTL_BITMAP BitMapHeader, _In_ BITMAP_INDEX BitNumber)
Definition: bitmap.c:294
KeReleaseQueuedSpinLock
VOID FASTCALL KeReleaseQueuedSpinLock(IN KSPIN_LOCK_QUEUE_NUMBER LockNumber, IN KIRQL OldIrql)
Definition: spinlock.c:154
ExQueryDepthSList
FORCEINLINE USHORT ExQueryDepthSList(_In_ PSLIST_HEADER SListHead)
Definition: exfuncs.h:153
RtlTestBit
_Must_inspect_result_ NTSYSAPI BOOLEAN NTAPI RtlTestBit(_In_ PRTL_BITMAP BitMapHeader, _In_range_(<, BitMapHeader->SizeOfBitMap) ULONG BitNumber)
Definition: bitmap.c:434
MiNonPagedPoolSListMaximum
ULONG MiNonPagedPoolSListMaximum
Definition: pool.c:31
MiProtectedPoolInsertList
VOID NTAPI MiProtectedPoolInsertList(IN PLIST_ENTRY ListHead, IN PLIST_ENTRY Entry, IN BOOLEAN Critical)
Definition: pool.c:148
_MMFREE_POOL_ENTRY::Owner
struct _MMFREE_POOL_ENTRY * Owner
Definition: mm.h:405
MiPagedPoolSListMaximum
ULONG MiPagedPoolSListMaximum
Definition: pool.c:33
OldIrql
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:803
_MMPFN
Definition: mm.h:305
PAGE_SIZE
#define PAGE_SIZE
Definition: env_spec_w32.h:49
InterlockedPushEntrySList
NTKERNELAPI PSLIST_ENTRY FASTCALL InterlockedPushEntrySList(IN PSLIST_HEADER ListHead, IN PSLIST_ENTRY ListEntry)
Definition: interlocked.c:82
KeAcquireQueuedSpinLock
KIRQL FASTCALL KeAcquireQueuedSpinLock(IN KSPIN_LOCK_QUEUE_NUMBER LockNumber)
Definition: spinlock.c:108
MiGetPfnEntry
FORCEINLINE PMMPFN MiGetPfnEntry(IN PFN_NUMBER Pfn)
Definition: mm.h:877
MmPagedPoolStart
PVOID MmPagedPoolStart
Definition: miarm.h:552
_MMPTE
Definition: mmtypes.h:211
MiDeleteSystemPageableVm
PFN_COUNT NTAPI MiDeleteSystemPageableVm(IN PMMPTE PointerPte, IN PFN_NUMBER PageCount, IN ULONG Flags, OUT PPFN_NUMBER ValidPages)
Definition: virtual.c:297
_MMPTE::Hard
MMPTE_HARDWARE Hard
Definition: mmtypes.h:217
MmProtectFreedNonPagedPool
BOOLEAN MmProtectFreedNonPagedPool
Definition: pool.c:29
PMMFREE_POOL_ENTRY
struct _MMFREE_POOL_ENTRY * PMMFREE_POOL_ENTRY
_MM_PAGED_POOL_INFO::EndOfPagedPoolBitmap
PRTL_BITMAP EndOfPagedPoolBitmap
Definition: mm.h:415
_MMPTE::u
union _MMPTE::@2061 u
KeReleaseGuardedMutex
VOID FASTCALL KeReleaseGuardedMutex(IN OUT PKGUARDED_MUTEX GuardedMutex)
Definition: gmutex.c:53
_MMPFN::u3
union _MMPFN::@1576 u3
MiPagedPoolSListHead
SLIST_HEADER MiPagedPoolSListHead
Definition: pool.c:32
MiGetPfnEntryIndex
FORCEINLINE PFN_NUMBER MiGetPfnEntryIndex(IN PMMPFN Pfn1)
Definition: mm.h:897
ULONG
unsigned int ULONG
Definition: retypes.h:1
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
_MMPTE_HARDWARE::PageFrameNumber
ULONG64 PageFrameNumber
Definition: mmtypes.h:171
MiProtectFreeNonPagedPool
VOID NTAPI MiProtectFreeNonPagedPool(IN PVOID VirtualAddress, IN ULONG PageCount)
Definition: pool.c:39
_MM_PAGED_POOL_INFO::PagedPoolHint
ULONG PagedPoolHint
Definition: mm.h:419
_MM_PAGED_POOL_INFO::FirstPteForPagedPool
PMMPTE FirstPteForPagedPool
Definition: mm.h:416
MmNonPagedPoolFreeListHead
LIST_ENTRY MmNonPagedPoolFreeListHead[MI_MAX_FREE_PAGE_LISTS]
Definition: pool.c:20
FORCEINLINE PMMPFN MiGetPfnEntry ( IN PFN_NUMBER  Pfn)

Definition at line 877 of file mm.h.

Referenced by MiAddHalIoMappings(), MiAllocatePagesForMdl(), MiAllocatePoolPages(), MiBuildPfnDatabaseFromLoaderBlock(), MiBuildPfnDatabaseFromPages(), MiBuildPfnDatabaseFromPageTables(), MiBuildPfnDatabaseSelf(), MiBuildPfnDatabaseZeroPage(), MiCompleteProtoPteFault(), MiCopyPfn(), MiDbgTranslatePhysicalAddress(), MiDecommitPages(), MiDeletePte(), MiDeleteSystemPageableVm(), MiFindContiguousMemory(), MiFreeContiguousMemory(), MiFreePoolPages(), MiGetPageProtection(), MiInitializeWorkingSetList(), MiInitMachineDependent(), MiLockVirtualMemory(), MiMapLockedPagesInUserSpace(), MiMapPageInHyperSpace(), MiProcessValidPteList(), MiProtectVirtualMemory(), MiReloadBootLoadedDrivers(), MiRemoveMappedPtes(), MiResolveProtoPteFault(), MiResolveTransitionFault(), MiSetPagingOfDriver(), MiSetProtectionOnSection(), MiSetupPfnForPageTable(), MiUnlockVirtualMemory(), MiUnmapLockedPagesInUserSpace(), MiZeroPfn(), MmAllocPage(), MmBuildMdlForNonPagedPool(), MmDeleteKernelStack(), MmDeleteProcessAddressSpace2(), MmDereferencePage(), MmDumpArmPfnDatabase(), MmFreeLoaderBlock(), MmFreePagesFromMdl(), MmGetLRUFirstUserPage(), MmGetLRUNextUserPage(), MmGetReferenceCountPage(), MmGetRmapListHeadPage(), MmGetSavedSwapEntryPage(), MmInsertLRULastUserPage(), MmIsPageInUse(), MmMapIoSpace(), MmNotPresentFaultCachePage(), MmProbeAndLockPages(), MmReferencePage(), MmRemoveLRUUserPage(), MmRosNotifyAvailablePage(), MmSetRmapListHeadPage(), MmSetSavedSwapEntryPage(), MmUnlockPages(), MmUnmapIoSpace(), MmZeroPageThread(), and PspCreateProcess().

878 {
879  PMMPFN Page;
880  extern RTL_BITMAP MiPfnBitMap;
881 
882  /* Make sure the PFN number is valid */
883  if (Pfn > MmHighestPhysicalPage) return NULL;
884 
885  /* Make sure this page actually has a PFN entry */
886  if ((MiPfnBitMap.Buffer) && !(RtlTestBit(&MiPfnBitMap, (ULONG)Pfn))) return NULL;
887 
888  /* Get the entry */
889  Page = &MmPfnDatabase[Pfn];
890 
891  /* Return it */
892  return Page;
893 };
_RTL_BITMAP::Buffer
PULONG Buffer
Definition: typedefs.h:90
_RTL_BITMAP
Definition: typedefs.h:87
MmPfnDatabase
PMMPFN MmPfnDatabase
Definition: freelist.c:24
MiPfnBitMap
RTL_BITMAP MiPfnBitMap
Definition: init.c:44
NULL
smooth NULL
Definition: ftsmooth.c:513
RtlTestBit
_Must_inspect_result_ NTSYSAPI BOOLEAN NTAPI RtlTestBit(_In_ PRTL_BITMAP BitMapHeader, _In_range_(<, BitMapHeader->SizeOfBitMap) ULONG BitNumber)
Definition: bitmap.c:434
_MMPFN
Definition: mm.h:305
MmHighestPhysicalPage
PFN_NUMBER MmHighestPhysicalPage
Definition: meminit.c:31
ULONG
unsigned int ULONG
Definition: retypes.h:1
FORCEINLINE PFN_NUMBER MiGetPfnEntryIndex ( IN PMMPFN  Pfn1)

Definition at line 897 of file mm.h.

Referenced by MiAllocatePagesForMdl(), MiDecrementShareCount(), MiDereferencePfnAndDropLockCount(), MiFreePoolPages(), MiInitializeWorkingSetList(), MiInsertPageInFreeList(), MiMapPagesInZeroSpace(), and MiUnlinkFreeOrZeroedPage().

898 {
899  //
900  // This will return the Page Frame Number (PFN) from the MMPFN
901  //
902  return Pfn1 - MmPfnDatabase;
903 }
MmPfnDatabase
PMMPFN MmPfnDatabase
Definition: freelist.c:24
VOID NTAPI MiInitBalancerThread ( VOID  )

Definition at line 449 of file balance.c.

Referenced by MmInitSystem().

450 {
451  KPRIORITY Priority;
452  NTSTATUS Status;
453 #if !defined(__GNUC__)
454 
455  LARGE_INTEGER dummyJunkNeeded;
456  dummyJunkNeeded.QuadPart = -20000000; /* 2 sec */
457  ;
458 #endif
459 
460 
461  KeInitializeEvent(&MiBalancerEvent, SynchronizationEvent, FALSE);
462  KeInitializeTimerEx(&MiBalancerTimer, SynchronizationTimer);
463  KeSetTimerEx(&MiBalancerTimer,
464 #if defined(__GNUC__)
465  (LARGE_INTEGER)(LONGLONG)-20000000LL, /* 2 sec */
466 #else
467  dummyJunkNeeded,
468 #endif
469  2000, /* 2 sec */
470  NULL);
471 
472  Status = PsCreateSystemThread(&MiBalancerThreadHandle,
473  THREAD_ALL_ACCESS,
474  NULL,
475  NULL,
476  &MiBalancerThreadId,
477  MiBalancerThread,
478  NULL);
479  if (!NT_SUCCESS(Status))
480  {
481  KeBugCheck(MEMORY_MANAGEMENT);
482  }
483 
484  Priority = LOW_REALTIME_PRIORITY + 1;
485  NtSetInformationThread(MiBalancerThreadHandle,
486  ThreadPriority,
487  &Priority,
488  sizeof(Priority));
489 
490 }
THREAD_ALL_ACCESS
#define THREAD_ALL_ACCESS
Definition: nt_native.h:1339
LL
#define LL
Definition: tui.h:72
MiBalancerThread
VOID NTAPI MiBalancerThread(PVOID Unused)
Definition: balance.c:328
__GNUC__
#define __GNUC__
Definition: _icc.h:38
Priority
_In_ KPRIORITY Priority
Definition: kefuncs.h:516
KeSetTimerEx
BOOLEAN NTAPI KeSetTimerEx(IN OUT PKTIMER Timer, IN LARGE_INTEGER DueTime, IN LONG Period, IN PKDPC Dpc OPTIONAL)
Definition: timerobj.c:294
LOW_REALTIME_PRIORITY
#define LOW_REALTIME_PRIORITY
KPRIORITY
LONG KPRIORITY
Definition: compat.h:454
MiBalancerEvent
static KEVENT MiBalancerEvent
Definition: balance.c:45
FALSE
#define FALSE
Definition: types.h:117
MiBalancerThreadId
static CLIENT_ID MiBalancerThreadId
Definition: balance.c:43
NULL
smooth NULL
Definition: ftsmooth.c:513
KeBugCheck
VOID NTAPI KeBugCheck(ULONG BugCheckCode)
Definition: bug.c:1469
NtSetInformationThread
NTSTATUS NTAPI NtSetInformationThread(IN HANDLE ThreadHandle, IN THREADINFOCLASS ThreadInformationClass, IN PVOID ThreadInformation, IN ULONG ThreadInformationLength)
Definition: query.c:1966
LONGLONG
int64_t LONGLONG
Definition: typedefs.h:67
Status
Status
Definition: gdiplustypes.h:24
NT_SUCCESS
#define NT_SUCCESS(StatCode)
Definition: cmd.c:149
NTSTATUS
LONG NTSTATUS
Definition: DriverTester.h:11
KeInitializeEvent
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
PsCreateSystemThread
NTSTATUS NTAPI PsCreateSystemThread(OUT PHANDLE ThreadHandle, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes, IN HANDLE ProcessHandle, IN PCLIENT_ID ClientId, IN PKSTART_ROUTINE StartRoutine, IN PVOID StartContext)
Definition: thread.c:602
_LARGE_INTEGER
Definition: typedefs.h:101
MiBalancerThreadHandle
static HANDLE MiBalancerThreadHandle
Definition: balance.c:44
KeInitializeTimerEx
VOID NTAPI KeInitializeTimerEx(OUT PKTIMER Timer, IN TIMER_TYPE Type)
Definition: timerobj.c:244
_LARGE_INTEGER::QuadPart
LONGLONG QuadPart
Definition: typedefs.h:113
MiBalancerTimer
static KTIMER MiBalancerTimer
Definition: balance.c:46
BOOLEAN NTAPI MiInitializeLoadedModuleList ( IN PLOADER_PARAMETER_BLOCK  LoaderBlock)

Definition at line 2188 of file sysldr.c.

Referenced by MmArmInitSystem().

2189 {
2190  PLDR_DATA_TABLE_ENTRY LdrEntry, NewEntry;
2191  PLIST_ENTRY ListHead, NextEntry;
2192  ULONG EntrySize;
2193 
2194  /* Setup the loaded module list and locks */
2195  ExInitializeResourceLite(&PsLoadedModuleResource);
2196  KeInitializeSpinLock(&PsLoadedModuleSpinLock);
2197  InitializeListHead(&PsLoadedModuleList);
2198 
2199  /* Get loop variables and the kernel entry */
2200  ListHead = &LoaderBlock->LoadOrderListHead;
2201  NextEntry = ListHead->Flink;
2202  LdrEntry = CONTAINING_RECORD(NextEntry,
2203  LDR_DATA_TABLE_ENTRY,
2204  InLoadOrderLinks);
2205  PsNtosImageBase = (ULONG_PTR)LdrEntry->DllBase;
2206 
2207  /* Locate resource section, pool code, and system pte code */
2208  MiLocateKernelSections(LdrEntry);
2209 
2210  /* Loop the loader block */
2211  while (NextEntry != ListHead)
2212  {
2213  /* Get the loader entry */
2214  LdrEntry = CONTAINING_RECORD(NextEntry,
2215  LDR_DATA_TABLE_ENTRY,
2216  InLoadOrderLinks);
2217 
2218  /* FIXME: ROS HACK. Make sure this is a driver */
2219  if (!RtlImageNtHeader(LdrEntry->DllBase))
2220  {
2221  /* Skip this entry */
2222  NextEntry = NextEntry->Flink;
2223  continue;
2224  }
2225 
2226  /* Calculate the size we'll need and allocate a copy */
2227  EntrySize = sizeof(LDR_DATA_TABLE_ENTRY) +
2228  LdrEntry->BaseDllName.MaximumLength +
2229  sizeof(UNICODE_NULL);
2230  NewEntry = ExAllocatePoolWithTag(NonPagedPool, EntrySize, TAG_MODULE_OBJECT);
2231  if (!NewEntry) return FALSE;
2232 
2233  /* Copy the entry over */
2234  *NewEntry = *LdrEntry;
2235 
2236  /* Allocate the name */
2237  NewEntry->FullDllName.Buffer =
2238  ExAllocatePoolWithTag(PagedPool,
2239  LdrEntry->FullDllName.MaximumLength +
2240  sizeof(UNICODE_NULL),
2241  TAG_LDR_WSTR);
2242  if (!NewEntry->FullDllName.Buffer)
2243  {
2244  ExFreePoolWithTag(NewEntry, TAG_MODULE_OBJECT);
2245  return FALSE;
2246  }
2247 
2248  /* Set the base name */
2249  NewEntry->BaseDllName.Buffer = (PVOID)(NewEntry + 1);
2250 
2251  /* Copy the full and base name */
2252  RtlCopyMemory(NewEntry->FullDllName.Buffer,
2253  LdrEntry->FullDllName.Buffer,
2254  LdrEntry->FullDllName.MaximumLength);
2255  RtlCopyMemory(NewEntry->BaseDllName.Buffer,
2256  LdrEntry->BaseDllName.Buffer,
2257  LdrEntry->BaseDllName.MaximumLength);
2258 
2259  /* Null-terminate the base name */
2260  NewEntry->BaseDllName.Buffer[NewEntry->BaseDllName.Length /
2261  sizeof(WCHAR)] = UNICODE_NULL;
2262 
2263  /* Insert the entry into the list */
2264  InsertTailList(&PsLoadedModuleList, &NewEntry->InLoadOrderLinks);
2265  NextEntry = NextEntry->Flink;
2266  }
2267 
2268  /* Build the import lists for the boot drivers */
2269  MiBuildImportsForBootDrivers();
2270 
2271  /* We're done */
2272  return TRUE;
2273 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
PsLoadedModuleResource
ERESOURCE PsLoadedModuleResource
Definition: sysldr.c:37
TRUE
#define TRUE
Definition: types.h:120
RtlCopyMemory
NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
_UNICODE_STRING::MaximumLength
USHORT MaximumLength
Definition: env_spec_w32.h:370
PsNtosImageBase
ULONG_PTR PsNtosImageBase
Definition: sysldr.c:38
PsLoadedModuleList
LIST_ENTRY PsLoadedModuleList
Definition: sysldr.c:34
_UNICODE_STRING::Length
USHORT Length
Definition: env_spec_w32.h:369
ExInitializeResourceLite
NTSTATUS ExInitializeResourceLite(PULONG res)
Definition: env_spec_w32.h:641
MiLocateKernelSections
VOID NTAPI INIT_FUNCTION MiLocateKernelSections(IN PLDR_DATA_TABLE_ENTRY LdrEntry)
Definition: sysldr.c:2127
InsertTailList
#define InsertTailList(ListHead, Entry)
Definition: env_spec_w32.h:1003
WCHAR
#define WCHAR
Definition: msvc.h:43
EntrySize
_In_ UCHAR EntrySize
Definition: iofuncs.h:640
PsLoadedModuleSpinLock
KSPIN_LOCK PsLoadedModuleSpinLock
Definition: sysldr.c:36
_LDR_DATA_TABLE_ENTRY::DllBase
PVOID DllBase
Definition: ldrtypes.h:139
TAG_LDR_WSTR
#define TAG_LDR_WSTR
Definition: tag.h:110
FALSE
#define FALSE
Definition: types.h:117
UNICODE_NULL
#define UNICODE_NULL
_UNICODE_STRING::Buffer
PWSTR Buffer
Definition: env_spec_w32.h:371
KeInitializeSpinLock
FORCEINLINE VOID KeInitializeSpinLock(_Out_ PKSPIN_LOCK SpinLock)
Definition: kefuncs.h:251
_LIST_ENTRY::Flink
struct _LIST_ENTRY * Flink
Definition: typedefs.h:120
LDR_DATA_TABLE_ENTRY
struct _LDR_DATA_TABLE_ENTRY LDR_DATA_TABLE_ENTRY
ExAllocatePoolWithTag
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350
_LDR_DATA_TABLE_ENTRY
Definition: ntddk_ex.h:202
MiBuildImportsForBootDrivers
NTSTATUS NTAPI INIT_FUNCTION MiBuildImportsForBootDrivers(VOID)
Definition: sysldr.c:1862
_LIST_ENTRY
Definition: typedefs.h:118
_LDR_DATA_TABLE_ENTRY::InLoadOrderLinks
LIST_ENTRY InLoadOrderLinks
Definition: ldrtypes.h:136
InitializeListHead
#define InitializeListHead(ListHead)
Definition: env_spec_w32.h:944
_LDR_DATA_TABLE_ENTRY::FullDllName
UNICODE_STRING FullDllName
Definition: ldrtypes.h:142
_LDR_DATA_TABLE_ENTRY::BaseDllName
UNICODE_STRING BaseDllName
Definition: ldrtypes.h:143
RtlImageNtHeader
#define RtlImageNtHeader
Definition: compat.h:457
TAG_MODULE_OBJECT
#define TAG_MODULE_OBJECT
Definition: tag.h:109
ULONG
unsigned int ULONG
Definition: retypes.h:1
CONTAINING_RECORD
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
ExFreePoolWithTag
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1097
VOID NTAPI MiInitializeNonPagedPool ( VOID  )

Definition at line 276 of file pool.c.

Referenced by MiBuildNonPagedPool(), and MiInitMachineDependent().

277 {
278  ULONG i;
279  PFN_COUNT PoolPages;
280  PMMFREE_POOL_ENTRY FreeEntry, FirstEntry;
281  PMMPTE PointerPte;
282  PAGED_CODE();
283 
284  //
285  // Initialize the pool S-LISTs as well as their maximum count. In general,
286  // we'll allow 8 times the default on a 2GB system, and two times the default
287  // on a 1GB system.
288  //
289  InitializeSListHead(&MiPagedPoolSListHead);
290  InitializeSListHead(&MiNonPagedPoolSListHead);
291  if (MmNumberOfPhysicalPages >= ((2 * _1GB) /PAGE_SIZE))
292  {
293  MiNonPagedPoolSListMaximum *= 8;
294  MiPagedPoolSListMaximum *= 8;
295  }
296  else if (MmNumberOfPhysicalPages >= (_1GB /PAGE_SIZE))
297  {
298  MiNonPagedPoolSListMaximum *= 2;
299  MiPagedPoolSListMaximum *= 2;
300  }
301 
302  //
303  // However if debugging options for the pool are enabled, turn off the S-LIST
304  // to reduce the risk of messing things up even more
305  //
306  if (MmProtectFreedNonPagedPool)
307  {
308  MiNonPagedPoolSListMaximum = 0;
309  MiPagedPoolSListMaximum = 0;
310  }
311 
312  //
313  // We keep 4 lists of free pages (4 lists help avoid contention)
314  //
315  for (i = 0; i < MI_MAX_FREE_PAGE_LISTS; i++)
316  {
317  //
318  // Initialize each of them
319  //
320  InitializeListHead(&MmNonPagedPoolFreeListHead[i]);
321  }
322 
323  //
324  // Calculate how many pages the initial nonpaged pool has
325  //
326  PoolPages = (PFN_COUNT)BYTES_TO_PAGES(MmSizeOfNonPagedPoolInBytes);
327  MmNumberOfFreeNonPagedPool = PoolPages;
328 
329  //
330  // Initialize the first free entry
331  //
332  FreeEntry = MmNonPagedPoolStart;
333  FirstEntry = FreeEntry;
334  FreeEntry->Size = PoolPages;
335  FreeEntry->Signature = MM_FREE_POOL_SIGNATURE;
336  FreeEntry->Owner = FirstEntry;
337 
338  //
339  // Insert it into the last list
340  //
341  InsertHeadList(&MmNonPagedPoolFreeListHead[MI_MAX_FREE_PAGE_LISTS - 1],
342  &FreeEntry->List);
343 
344  //
345  // Now create free entries for every single other page
346  //
347  while (PoolPages-- > 1)
348  {
349  //
350  // Link them all back to the original entry
351  //
352  FreeEntry = (PMMFREE_POOL_ENTRY)((ULONG_PTR)FreeEntry + PAGE_SIZE);
353  FreeEntry->Owner = FirstEntry;
354  FreeEntry->Signature = MM_FREE_POOL_SIGNATURE;
355  }
356 
357  //
358  // Validate and remember first allocated pool page
359  //
360  PointerPte = MiAddressToPte(MmNonPagedPoolStart);
361  ASSERT(PointerPte->u.Hard.Valid == 1);
362  MiStartOfInitialPoolFrame = PFN_FROM_PTE(PointerPte);
363 
364  //
365  // Keep track of where initial nonpaged pool ends
366  //
367  MmNonPagedPoolEnd0 = (PVOID)((ULONG_PTR)MmNonPagedPoolStart +
368  MmSizeOfNonPagedPoolInBytes);
369 
370  //
371  // Validate and remember last allocated pool page
372  //
373  PointerPte = MiAddressToPte((PVOID)((ULONG_PTR)MmNonPagedPoolEnd0 - 1));
374  ASSERT(PointerPte->u.Hard.Valid == 1);
375  MiEndOfInitialPoolFrame = PFN_FROM_PTE(PointerPte);
376 
377  //
378  // Validate the first nonpaged pool expansion page (which is a guard page)
379  //
380  PointerPte = MiAddressToPte(MmNonPagedPoolExpansionStart);
381  ASSERT(PointerPte->u.Hard.Valid == 0);
382 
383  //
384  // Calculate the size of the expansion region alone
385  //
386  MiExpansionPoolPagesInitialCharge = (PFN_COUNT)
387  BYTES_TO_PAGES(MmMaximumNonPagedPoolInBytes - MmSizeOfNonPagedPoolInBytes);
388 
389  //
390  // Remove 2 pages, since there's a guard page on top and on the bottom
391  //
392  MiExpansionPoolPagesInitialCharge -= 2;
393 
394  //
395  // Now initialize the nonpaged pool expansion PTE space. Remember there's a
396  // guard page on top so make sure to skip it. The bottom guard page will be
397  // guaranteed by the fact our size is off by one.
398  //
399  MiInitializeSystemPtes(PointerPte + 1,
400  MiExpansionPoolPagesInitialCharge,
401  NonPagedPoolExpansion);
402 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
MiEndOfInitialPoolFrame
PFN_NUMBER MiEndOfInitialPoolFrame
Definition: pool.c:23
PFN_COUNT
ULONG PFN_COUNT
Definition: mmtypes.h:102
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
InsertHeadList
FORCEINLINE VOID InsertHeadList(_Inout_ PLIST_ENTRY ListHead, _Inout_ __drv_aliasesMem PLIST_ENTRY Entry)
Definition: rtlfuncs.h:201
_MMFREE_POOL_ENTRY::Signature
ULONG Signature
Definition: mm.h:404
MmNonPagedPoolExpansionStart
PVOID MmNonPagedPoolExpansionStart
Definition: init.c:25
MiNonPagedPoolSListHead
SLIST_HEADER MiNonPagedPoolSListHead
Definition: pool.c:30
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
MmNumberOfFreeNonPagedPool
PFN_COUNT MmNumberOfFreeNonPagedPool
Definition: pool.c:21
i
GLenum GLclampf GLint i
Definition: glfuncs.h:14
MiAddressToPte
#define MiAddressToPte(x)
Definition: mmx86.c:19
MiInitializeSystemPtes
VOID NTAPI MiInitializeSystemPtes(IN PMMPTE StartingPte, IN ULONG NumberOfPtes, IN MMSYSTEM_PTE_POOL_TYPE PoolType)
Definition: syspte.c:399
MiStartOfInitialPoolFrame
PFN_NUMBER MiStartOfInitialPoolFrame
Definition: pool.c:23
_MMFREE_POOL_ENTRY::List
LIST_ENTRY List
Definition: mm.h:402
MI_MAX_FREE_PAGE_LISTS
#define MI_MAX_FREE_PAGE_LISTS
Definition: mm.h:70
MmNonPagedPoolEnd0
PVOID MmNonPagedPoolEnd0
Definition: pool.c:22
MiExpansionPoolPagesInitialCharge
PFN_COUNT MiExpansionPoolPagesInitialCharge
Definition: pool.c:21
_MMFREE_POOL_ENTRY::Size
PFN_COUNT Size
Definition: mm.h:403
MM_FREE_POOL_SIGNATURE
#define MM_FREE_POOL_SIGNATURE
Definition: mm.h:409
_MMFREE_POOL_ENTRY
Definition: mm.h:400
_MMPTE_HARDWARE::Valid
ULONG64 Valid
Definition: mmtypes.h:150
PAGED_CODE
#define PAGED_CODE()
Definition: video.h:57
MiNonPagedPoolSListMaximum
ULONG MiNonPagedPoolSListMaximum
Definition: pool.c:31
_MMFREE_POOL_ENTRY::Owner
struct _MMFREE_POOL_ENTRY * Owner
Definition: mm.h:405
BYTES_TO_PAGES
#define BYTES_TO_PAGES(Size)
MiPagedPoolSListMaximum
ULONG MiPagedPoolSListMaximum
Definition: pool.c:33
PAGE_SIZE
#define PAGE_SIZE
Definition: env_spec_w32.h:49
MmNonPagedPoolStart
PVOID MmNonPagedPoolStart
Definition: init.c:24
_MMPTE
Definition: mmtypes.h:211
_MMPTE::Hard
MMPTE_HARDWARE Hard
Definition: mmtypes.h:217
MmNumberOfPhysicalPages
PFN_COUNT MmNumberOfPhysicalPages
Definition: init.c:48
MmProtectFreedNonPagedPool
BOOLEAN MmProtectFreedNonPagedPool
Definition: pool.c:29
PMMFREE_POOL_ENTRY
struct _MMFREE_POOL_ENTRY * PMMFREE_POOL_ENTRY
InitializeListHead
#define InitializeListHead(ListHead)
Definition: env_spec_w32.h:944
_MMPTE::u
union _MMPTE::@2061 u
MmMaximumNonPagedPoolInBytes
ULONG MmMaximumNonPagedPoolInBytes
Definition: init.c:22
MiPagedPoolSListHead
SLIST_HEADER MiPagedPoolSListHead
Definition: pool.c:32
ULONG
unsigned int ULONG
Definition: retypes.h:1
MmSizeOfNonPagedPoolInBytes
ULONG MmSizeOfNonPagedPoolInBytes
Definition: init.c:21
MmNonPagedPoolFreeListHead
LIST_ENTRY MmNonPagedPoolFreeListHead[MI_MAX_FREE_PAGE_LISTS]
Definition: pool.c:20
PFN_FROM_PTE
#define PFN_FROM_PTE(v)
Definition: mm.h:82
_1GB
#define _1GB
Definition: miarm.h:14
InitializeSListHead
WINBASEAPI VOID WINAPI InitializeSListHead(_Out_ PSLIST_HEADER ListHead)
Definition: rtlfuncs.h:3353
VOID NTAPI MiInitializeSpecialPool ( VOID  )

Definition at line 123 of file special.c.

Referenced by MiBuildPagedPool().

124 {
125  ULONG SpecialPoolPtes, i;
126  PMMPTE PointerPte;
127 
128  /* Check if there is a special pool tag */
129  if ((MmSpecialPoolTag == 0) ||
130  (MmSpecialPoolTag == -1)) return;
131 
132  /* Calculate number of system PTEs for the special pool */
133  if (MmNumberOfSystemPtes >= 0x3000)
134  SpecialPoolPtes = MmNumberOfSystemPtes / 3;
135  else
136  SpecialPoolPtes = MmNumberOfSystemPtes / 6;
137 
138  /* Don't let the number go too high */
139  if (SpecialPoolPtes > 0x6000) SpecialPoolPtes = 0x6000;
140 
141  /* Round up to the page size */
142  SpecialPoolPtes = PAGE_ROUND_UP(SpecialPoolPtes);
143 
144  ASSERT((SpecialPoolPtes & (PTE_PER_PAGE - 1)) == 0);
145 
146  /* Reserve those PTEs */
147  do
148  {
149  PointerPte = MiReserveAlignedSystemPtes(SpecialPoolPtes,
150  SystemPteSpace,
151  /*0x400000*/0); // FIXME:
152  if (PointerPte) break;
153 
154  /* Reserving didn't work, so try to reduce the requested size */
155  ASSERT(SpecialPoolPtes >= PTE_PER_PAGE);
156  SpecialPoolPtes -= PTE_PER_PAGE;
157  } while (SpecialPoolPtes);
158 
159  /* Fail if we couldn't reserve them at all */
160  if (!SpecialPoolPtes) return;
161 
162  /* Make sure we got enough */
163  ASSERT(SpecialPoolPtes >= PTE_PER_PAGE);
164 
165  /* Save first PTE and its address */
166  MiSpecialPoolFirstPte = PointerPte;
167  MmSpecialPoolStart = MiPteToAddress(PointerPte);
168 
169  for (i = 0; i < PTE_PER_PAGE / 2; i++)
170  {
171  /* Point it to the next entry */
172  PointerPte->u.List.NextEntry = &PointerPte[2] - MmSystemPteBase;
173 
174  /* Move to the next pair */
175  PointerPte += 2;
176  }
177 
178  /* Save extra values */
179  MiSpecialPoolExtra = PointerPte;
180  MiSpecialPoolExtraCount = SpecialPoolPtes - PTE_PER_PAGE;
181 
182  /* Mark the previous PTE as the last one */
183  MiSpecialPoolLastPte = PointerPte - 2;
184  MiSpecialPoolLastPte->u.List.NextEntry = MM_EMPTY_PTE_LIST;
185 
186  /* Save end address of the special pool */
187  MmSpecialPoolEnd = MiPteToAddress(MiSpecialPoolLastPte + 1);
188 
189  /* Calculate maximum non-paged part of the special pool */
190  MiSpecialPagesNonPagedMaximum = MmResidentAvailablePages >> 4;
191 
192  /* And limit it if it turned out to be too big */
193  if (MmNumberOfPhysicalPages > 0x3FFF)
194  MiSpecialPagesNonPagedMaximum = MmResidentAvailablePages >> 3;
195 
196  DPRINT1("Special pool start %p - end %p\n", MmSpecialPoolStart, MmSpecialPoolEnd);
197  ExpPoolFlags |= POOL_FLAG_SPECIAL_POOL;
198 
199  //MiTestSpecialPool();
200 }
MmResidentAvailablePages
PFN_NUMBER MmResidentAvailablePages
Definition: freelist.c:27
MiSpecialPoolExtraCount
ULONG MiSpecialPoolExtraCount
Definition: special.c:41
_MMPTE_LIST::NextEntry
ULONG64 NextEntry
Definition: mmtypes.h:145
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
MM_EMPTY_PTE_LIST
#define MM_EMPTY_PTE_LIST
Definition: mm.h:77
POOL_FLAG_SPECIAL_POOL
#define POOL_FLAG_SPECIAL_POOL
Definition: miarm.h:260
MmNumberOfSystemPtes
ULONG MmNumberOfSystemPtes
Definition: init.c:42
PAGE_ROUND_UP
#define PAGE_ROUND_UP(x)
Definition: scsiport_int.h:13
MiSpecialPoolLastPte
PMMPTE MiSpecialPoolLastPte
Definition: special.c:44
MmSpecialPoolEnd
PVOID MmSpecialPoolEnd
Definition: special.c:39
i
GLenum GLclampf GLint i
Definition: glfuncs.h:14
MmSpecialPoolTag
ULONG MmSpecialPoolTag
Definition: pool.c:27
MiPteToAddress
PVOID FORCEINLINE MiPteToAddress(PMMPTE PointerPte)
Definition: mm.h:185
MiSpecialPagesNonPagedMaximum
PFN_COUNT MiSpecialPagesNonPagedMaximum
Definition: special.c:52
MiSpecialPoolExtra
PVOID MiSpecialPoolExtra
Definition: special.c:40
_MMPTE::List
MMPTE_LIST List
Definition: mmtypes.h:222
PTE_PER_PAGE
#define PTE_PER_PAGE
Definition: mm.h:18
_MMPTE
Definition: mmtypes.h:211
MiReserveAlignedSystemPtes
PMMPTE NTAPI MiReserveAlignedSystemPtes(IN ULONG NumberOfPtes, IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType, IN ULONG Alignment)
Definition: syspte.c:88
MmNumberOfPhysicalPages
PFN_COUNT MmNumberOfPhysicalPages
Definition: init.c:48
_MMPTE::u
union _MMPTE::@2061 u
MmSpecialPoolStart
PVOID MmSpecialPoolStart
Definition: special.c:38
MmSystemPteBase
PMMPTE MmSystemPteBase
Definition: syspte.c:21
DPRINT1
#define DPRINT1
Definition: precomp.h:8
ExpPoolFlags
ULONG ExpPoolFlags
Definition: expool.c:47
ULONG
unsigned int ULONG
Definition: retypes.h:1
MiSpecialPoolFirstPte
PMMPTE MiSpecialPoolFirstPte
Definition: special.c:43
PVOID NTAPI MiMapPageInHyperSpace ( IN PEPROCESS  Process,
IN PFN_NUMBER  Page,
IN PKIRQL  OldIrql 
)

Definition at line 30 of file hypermap.c.

Referenced by _MiWriteBackPage(), MiCopyFromUserPage(), MiCopyPageToPage(), MiReadFilePage(), MiReadPage(), MiZeroPhysicalPage(), and MmCreateHyperspaceMapping().

33 {
34  MMPTE TempPte;
35  PMMPTE PointerPte;
36  PFN_NUMBER Offset;
37 
38  //
39  // Never accept page 0 or non-physical pages
40  //
41  ASSERT(Page != 0);
42  ASSERT(MiGetPfnEntry(Page) != NULL);
43 
44  //
45  // Build the PTE
46  //
47  TempPte = ValidKernelPteLocal;
48  TempPte.u.Hard.PageFrameNumber = Page;
49 
50  //
51  // Pick the first hyperspace PTE
52  //
53  PointerPte = MmFirstReservedMappingPte;
54 
55  //
56  // Acquire the hyperlock
57  //
58  ASSERT(Process == PsGetCurrentProcess());
59  KeAcquireSpinLock(&Process->HyperSpaceLock, OldIrql);
60 
61  //
62  // Now get the first free PTE
63  //
64  Offset = PFN_FROM_PTE(PointerPte);
65  if (!Offset)
66  {
67  //
68  // Reset the PTEs
69  //
70  Offset = MI_HYPERSPACE_PTES;
71  KeFlushProcessTb();
72  }
73 
74  //
75  // Prepare the next PTE
76  //
77  PointerPte->u.Hard.PageFrameNumber = Offset - 1;
78 
79  //
80  // Write the current PTE
81  //
82  PointerPte += Offset;
83  MI_WRITE_VALID_PTE(PointerPte, TempPte);
84 
85  //
86  // Return the address
87  //
88  return MiPteToAddress(PointerPte);
89 }
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
PFN_NUMBER
ULONG PFN_NUMBER
Definition: ke.h:8
Offset
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
MI_WRITE_VALID_PTE
FORCEINLINE VOID MI_WRITE_VALID_PTE(IN PMMPTE PointerPte, IN MMPTE TempPte)
Definition: miarm.h:914
MmFirstReservedMappingPte
PMMPTE MmFirstReservedMappingPte
Definition: hypermap.c:20
PsGetCurrentProcess
#define PsGetCurrentProcess
Definition: psfuncs.h:17
MI_HYPERSPACE_PTES
#define MI_HYPERSPACE_PTES
Definition: mm.h:71
NULL
smooth NULL
Definition: ftsmooth.c:513
MiPteToAddress
PVOID FORCEINLINE MiPteToAddress(PMMPTE PointerPte)
Definition: mm.h:185
ValidKernelPteLocal
MMPTE ValidKernelPteLocal
Definition: init.c:35
KeAcquireSpinLock
#define KeAcquireSpinLock(sl, irql)
Definition: env_spec_w32.h:609
TempPte
HARDWARE_PTE_ARMV6 TempPte
Definition: winldr.c:75
OldIrql
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:803
MiGetPfnEntry
FORCEINLINE PMMPFN MiGetPfnEntry(IN PFN_NUMBER Pfn)
Definition: mm.h:877
_MMPTE
Definition: mmtypes.h:211
_MMPTE::Hard
MMPTE_HARDWARE Hard
Definition: mmtypes.h:217
_MMPTE::u
union _MMPTE::@2061 u
KeFlushProcessTb
FORCEINLINE VOID KeFlushProcessTb(VOID)
Definition: ke.h:185
Process
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:219
_MMPTE_HARDWARE::PageFrameNumber
ULONG64 PageFrameNumber
Definition: mmtypes.h:171
PFN_FROM_PTE
#define PFN_FROM_PTE(v)
Definition: mm.h:82
PVOID NTAPI MiMapPagesInZeroSpace ( IN PMMPFN  Pfn1,
IN PFN_NUMBER  NumberOfPages 
)

Definition at line 113 of file hypermap.c.

Referenced by MmZeroPageThread().

115 {
116  MMPTE TempPte;
117  PMMPTE PointerPte;
118  PFN_NUMBER Offset, PageFrameIndex;
119 
120  //
121  // Sanity checks
122  //
123  ASSERT(KeGetCurrentIrql() == PASSIVE_LEVEL);
124  ASSERT(NumberOfPages != 0);
125  ASSERT(NumberOfPages <= (MI_ZERO_PTES - 1));
126 
127  //
128  // Pick the first zeroing PTE
129  //
130  PointerPte = MiFirstReservedZeroingPte;
131 
132  //
133  // Now get the first free PTE
134  //
135  Offset = PFN_FROM_PTE(PointerPte);
136  if (NumberOfPages > Offset)
137  {
138  //
139  // Reset the PTEs
140  //
141  Offset = MI_ZERO_PTES - 1;
142  PointerPte->u.Hard.PageFrameNumber = Offset;
143  KeFlushProcessTb();
144  }
145 
146  //
147  // Prepare the next PTE
148  //
149  PointerPte->u.Hard.PageFrameNumber = Offset - NumberOfPages;
150 
151  /* Choose the correct PTE to use, and which template */
152  PointerPte += (Offset + 1);
153  TempPte = ValidKernelPte;
154 
155  /* Make sure the list isn't empty and loop it */
156  ASSERT(Pfn1 != (PVOID)LIST_HEAD);
157  while (Pfn1 != (PVOID)LIST_HEAD)
158  {
159  /* Get the page index for this PFN */
160  PageFrameIndex = MiGetPfnEntryIndex(Pfn1);
161 
162  //
163  // Write the PFN
164  //
165  TempPte.u.Hard.PageFrameNumber = PageFrameIndex;
166 
167  //
168  // Set the correct PTE to write to, and set its new value
169  //
170  PointerPte--;
171  MI_WRITE_VALID_PTE(PointerPte, TempPte);
172 
173  /* Move to the next PFN */
174  Pfn1 = (PMMPFN)Pfn1->u1.Flink;
175  }
176 
177  //
178  // Return the address
179  //
180  return MiPteToAddress(PointerPte);
181 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
KeGetCurrentIrql
#define KeGetCurrentIrql()
Definition: env_spec_w32.h:706
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
PFN_NUMBER
ULONG PFN_NUMBER
Definition: ke.h:8
Offset
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
MI_WRITE_VALID_PTE
FORCEINLINE VOID MI_WRITE_VALID_PTE(IN PMMPTE PointerPte, IN MMPTE TempPte)
Definition: miarm.h:914
MiPteToAddress
PVOID FORCEINLINE MiPteToAddress(PMMPTE PointerPte)
Definition: mm.h:185
TempPte
HARDWARE_PTE_ARMV6 TempPte
Definition: winldr.c:75
ValidKernelPte
MMPTE ValidKernelPte
Definition: init.c:31
PASSIVE_LEVEL
#define PASSIVE_LEVEL
Definition: env_spec_w32.h:693
LIST_HEAD
LIST_HEAD(acpi_bus_event_list)
_MMPTE
Definition: mmtypes.h:211
_MMPTE::Hard
MMPTE_HARDWARE Hard
Definition: mmtypes.h:217
_MMPTE::u
union _MMPTE::@2061 u
PMMPFN
struct _MMPFN * PMMPFN
KeFlushProcessTb
FORCEINLINE VOID KeFlushProcessTb(VOID)
Definition: ke.h:185
MiGetPfnEntryIndex
FORCEINLINE PFN_NUMBER MiGetPfnEntryIndex(IN PMMPFN Pfn1)
Definition: mm.h:897
_MMPTE_HARDWARE::PageFrameNumber
ULONG64 PageFrameNumber
Definition: mmtypes.h:171
MiFirstReservedZeroingPte
PMMPTE MiFirstReservedZeroingPte
Definition: hypermap.c:21
MI_ZERO_PTES
#define MI_ZERO_PTES
Definition: mm.h:72
PFN_FROM_PTE
#define PFN_FROM_PTE(v)
Definition: mm.h:82
BOOLEAN NTAPI MiRaisePoolQuota ( IN POOL_TYPE  PoolType,
IN ULONG  CurrentMaxQuota,
OUT PULONG  NewMaxQuota 
)

Definition at line 1264 of file pool.c.

1267 {
1268  //
1269  // Not implemented
1270  //
1271  UNIMPLEMENTED;
1272  *NewMaxQuota = CurrentMaxQuota + 65536;
1273  return TRUE;
1274 }
TRUE
#define TRUE
Definition: types.h:120
UNIMPLEMENTED
#define UNIMPLEMENTED
Definition: debug.h:114
NTSTATUS NTAPI MiReadPageFile ( _In_ PFN_NUMBER  Page,
_In_ ULONG  PageFileIndex,
_In_ ULONG_PTR  PageFileOffset 
)

Definition at line 287 of file pagefile.c.

Referenced by MiResolvePageFileFault(), and MmReadFromSwapPage().

291 {
292  LARGE_INTEGER file_offset;
293  IO_STATUS_BLOCK Iosb;
294  NTSTATUS Status;
295  KEVENT Event;
296  UCHAR MdlBase[sizeof(MDL) + sizeof(ULONG)];
297  PMDL Mdl = (PMDL)MdlBase;
298  PPAGINGFILE PagingFile;
299 
300  DPRINT("MiReadSwapFile\n");
301 
302  if (PageFileOffset == 0)
303  {
304  KeBugCheck(MEMORY_MANAGEMENT);
305  return(STATUS_UNSUCCESSFUL);
306  }
307 
308  ASSERT(PageFileIndex < MAX_PAGING_FILES);
309 
310  PagingFile = PagingFileList[PageFileIndex];
311 
312  if (PagingFile->FileObject == NULL || PagingFile->FileObject->DeviceObject == NULL)
313  {
314  DPRINT1("Bad paging file %u\n", PageFileIndex);
315  KeBugCheck(MEMORY_MANAGEMENT);
316  }
317 
318  MmInitializeMdl(Mdl, NULL, PAGE_SIZE);
319  MmBuildMdlFromPages(Mdl, &Page);
320  Mdl->MdlFlags |= MDL_PAGES_LOCKED;
321 
322  file_offset.QuadPart = PageFileOffset * PAGE_SIZE;
323  file_offset = MmGetOffsetPageFile(PagingFile->RetrievalPointers, file_offset);
324 
325  KeInitializeEvent(&Event, NotificationEvent, FALSE);
326  Status = IoPageRead(PagingFile->FileObject,
327  Mdl,
328  &file_offset,
329  &Event,
330  &Iosb);
331  if (Status == STATUS_PENDING)
332  {
333  KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
334  Status = Iosb.Status;
335  }
336  if (Mdl->MdlFlags & MDL_MAPPED_TO_SYSTEM_VA)
337  {
338  MmUnmapLockedPages (Mdl->MappedSystemVa, Mdl);
339  }
340  return(Status);
341 }
MmGetOffsetPageFile
static LARGE_INTEGER MmGetOffsetPageFile(PRETRIEVAL_POINTERS_BUFFER RetrievalPointers, LARGE_INTEGER Offset)
Definition: pagefile.c:164
MmInitializeMdl
#define MmInitializeMdl(_MemoryDescriptorList, _BaseVa, _Length)
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
_PAGINGFILE::FileObject
PFILE_OBJECT FileObject
Definition: pagefile.c:48
MmBuildMdlFromPages
VOID NTAPI MmBuildMdlFromPages(PMDL Mdl, PPFN_NUMBER Pages)
Definition: pagefile.c:126
_IO_STATUS_BLOCK::Status
ULONG Status
Definition: env_spec_w32.h:871
IoPageRead
NTSTATUS NTAPI IoPageRead(IN PFILE_OBJECT FileObject, IN PMDL Mdl, IN PLARGE_INTEGER Offset, IN PKEVENT Event, IN PIO_STATUS_BLOCK StatusBlock)
Definition: iofunc.c:1074
PMDL
PVOID PMDL
Definition: usb.h:39
KeWaitForSingleObject
NTSTATUS NTAPI KeWaitForSingleObject(IN PVOID Object, IN KWAIT_REASON WaitReason, IN KPROCESSOR_MODE WaitMode, IN BOOLEAN Alertable, IN PLARGE_INTEGER Timeout OPTIONAL)
Definition: wait.c:416
MDL_MAPPED_TO_SYSTEM_VA
#define MDL_MAPPED_TO_SYSTEM_VA
Definition: mmtypes.h:18
Event
ACPI_EFI_EVENT Event
Definition: acefiex.h:607
Iosb
_Must_inspect_result_ _Out_ PIO_STATUS_BLOCK Iosb
Definition: fltkernel.h:1761
FALSE
#define FALSE
Definition: types.h:117
MmUnmapLockedPages
VOID NTAPI MmUnmapLockedPages(IN PVOID BaseAddress, IN PMDL Mdl)
Definition: mdlsup.c:811
NULL
smooth NULL
Definition: ftsmooth.c:513
DPRINT
void DPRINT(...)
Definition: polytest.cpp:61
KeBugCheck
VOID NTAPI KeBugCheck(ULONG BugCheckCode)
Definition: bug.c:1469
_PAGINGFILE::RetrievalPointers
PRETRIEVAL_POINTERS_BUFFER RetrievalPointers
Definition: pagefile.c:56
MDL_PAGES_LOCKED
#define MDL_PAGES_LOCKED
Definition: mmtypes.h:19
STATUS_PENDING
#define STATUS_PENDING
Definition: ntstatus.h:82
STATUS_UNSUCCESSFUL
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
UCHAR
unsigned char UCHAR
Definition: xmlstorage.h:181
MDL
MDL
Definition: mmtypes.h:117
_PAGINGFILE
Definition: pagefile.c:45
PAGE_SIZE
#define PAGE_SIZE
Definition: env_spec_w32.h:49
MAX_PAGING_FILES
#define MAX_PAGING_FILES
Definition: pagefile.c:71
Status
Status
Definition: gdiplustypes.h:24
_IO_STATUS_BLOCK
Definition: env_spec_w32.h:870
NTSTATUS
LONG NTSTATUS
Definition: DriverTester.h:11
KeInitializeEvent
#define KeInitializeEvent(pEvt, foo, foo2)
Definition: env_spec_w32.h:477
_KEVENT
Definition: ketypes.h:784
_LARGE_INTEGER
Definition: typedefs.h:101
DPRINT1
#define DPRINT1
Definition: precomp.h:8
ULONG
unsigned int ULONG
Definition: retypes.h:1
PagingFileList
static PPAGINGFILE PagingFileList[MAX_PAGING_FILES]
Definition: pagefile.c:74
_LARGE_INTEGER::QuadPart
LONGLONG QuadPart
Definition: typedefs.h:113
VOID NTAPI MiReloadBootLoadedDrivers ( IN PLOADER_PARAMETER_BLOCK  LoaderBlock)

Definition at line 1673 of file sysldr.c.

Referenced by MmArmInitSystem().

1674 {
1675  PLIST_ENTRY NextEntry;
1676  ULONG i = 0;
1677  PIMAGE_NT_HEADERS NtHeader;
1678  PLDR_DATA_TABLE_ENTRY LdrEntry;
1679  PIMAGE_FILE_HEADER FileHeader;
1680  BOOLEAN ValidRelocs;
1681  PIMAGE_DATA_DIRECTORY DataDirectory;
1682  PVOID DllBase, NewImageAddress;
1683  NTSTATUS Status;
1684  PMMPTE PointerPte, StartPte, LastPte;
1685  PFN_COUNT PteCount;
1686  PMMPFN Pfn1;
1687  MMPTE TempPte, OldPte;
1688 
1689  /* Loop driver list */
1690  for (NextEntry = LoaderBlock->LoadOrderListHead.Flink;
1691  NextEntry != &LoaderBlock->LoadOrderListHead;
1692  NextEntry = NextEntry->Flink)
1693  {
1694  /* Get the loader entry and NT header */
1695  LdrEntry = CONTAINING_RECORD(NextEntry,
1696  LDR_DATA_TABLE_ENTRY,
1697  InLoadOrderLinks);
1698  NtHeader = RtlImageNtHeader(LdrEntry->DllBase);
1699 
1700  /* Debug info */
1701  DPRINT("[Mm0]: Driver at: %p ending at: %p for module: %wZ\n",
1702  LdrEntry->DllBase,
1703  (ULONG_PTR)LdrEntry->DllBase + LdrEntry->SizeOfImage,
1704  &LdrEntry->FullDllName);
1705 
1706  /* Get the first PTE and the number of PTEs we'll need */
1707  PointerPte = StartPte = MiAddressToPte(LdrEntry->DllBase);
1708  PteCount = ROUND_TO_PAGES(LdrEntry->SizeOfImage) >> PAGE_SHIFT;
1709  LastPte = StartPte + PteCount;
1710 
1711 #if MI_TRACE_PFNS
1712  /* Loop the PTEs */
1713  while (PointerPte < LastPte)
1714  {
1715  ULONG len;
1716  ASSERT(PointerPte->u.Hard.Valid == 1);
1717  Pfn1 = MiGetPfnEntry(PFN_FROM_PTE(PointerPte));
1718  len = wcslen(LdrEntry->BaseDllName.Buffer) * sizeof(WCHAR);
1719  snprintf(Pfn1->ProcessName, min(16, len), "%S", LdrEntry->BaseDllName.Buffer);
1720  PointerPte++;
1721  }
1722 #endif
1723  /* Skip kernel and HAL */
1724  /* ROS HACK: Skip BOOTVID/KDCOM too */
1725  i++;
1726  if (i <= 4) continue;
1727 
1728  /* Skip non-drivers */
1729  if (!NtHeader) continue;
1730 
1731  /* Get the file header and make sure we can relocate */
1732  FileHeader = &NtHeader->FileHeader;
1733  if (FileHeader->Characteristics & IMAGE_FILE_RELOCS_STRIPPED) continue;
1734  if (NtHeader->OptionalHeader.NumberOfRvaAndSizes <
1735  IMAGE_DIRECTORY_ENTRY_BASERELOC) continue;
1736 
1737  /* Everything made sense until now, check the relocation section too */
1738  DataDirectory = &NtHeader->OptionalHeader.
1739  DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC];
1740  if (!DataDirectory->VirtualAddress)
1741  {
1742  /* We don't really have relocations */
1743  ValidRelocs = FALSE;
1744  }
1745  else
1746  {
1747  /* Make sure the size is valid */
1748  if ((DataDirectory->VirtualAddress + DataDirectory->Size) >
1749  LdrEntry->SizeOfImage)
1750  {
1751  /* They're not, skip */
1752  continue;
1753  }
1754 
1755  /* We have relocations */
1756  ValidRelocs = TRUE;
1757  }
1758 
1759  /* Remember the original address */
1760  DllBase = LdrEntry->DllBase;
1761 
1762  /* Loop the PTEs */
1763  PointerPte = StartPte;
1764  while (PointerPte < LastPte)
1765  {
1766  /* Mark the page modified in the PFN database */
1767  ASSERT(PointerPte->u.Hard.Valid == 1);
1768  Pfn1 = MiGetPfnEntry(PFN_FROM_PTE(PointerPte));
1769  ASSERT(Pfn1->u3.e1.Rom == 0);
1770  Pfn1->u3.e1.Modified = TRUE;
1771 
1772  /* Next */
1773  PointerPte++;
1774  }
1775 
1776  /* Now reserve system PTEs for the image */
1777  PointerPte = MiReserveSystemPtes(PteCount, SystemPteSpace);
1778  if (!PointerPte)
1779  {
1780  /* Shouldn't happen */
1781  ERROR_FATAL("[Mm0]: Couldn't allocate driver section!\n");
1782  return;
1783  }
1784 
1785  /* This is the new virtual address for the module */
1786  LastPte = PointerPte + PteCount;
1787  NewImageAddress = MiPteToAddress(PointerPte);
1788 
1789  /* Sanity check */
1790  DPRINT("[Mm0]: Copying from: %p to: %p\n", DllBase, NewImageAddress);
1791  ASSERT(ExpInitializationPhase == 0);
1792 
1793  /* Loop the new driver PTEs */
1794  TempPte = ValidKernelPte;
1795  while (PointerPte < LastPte)
1796  {
1797  /* Copy the old data */
1798  OldPte = *StartPte;
1799  ASSERT(OldPte.u.Hard.Valid == 1);
1800 
1801  /* Set page number from the loader's memory */
1802  TempPte.u.Hard.PageFrameNumber = OldPte.u.Hard.PageFrameNumber;
1803 
1804  /* Write it */
1805  MI_WRITE_VALID_PTE(PointerPte, TempPte);
1806 
1807  /* Move on */
1808  PointerPte++;
1809  StartPte++;
1810  }
1811 
1812  /* Update position */
1813  PointerPte -= PteCount;
1814 
1815  /* Sanity check */
1816  ASSERT(*(PULONG)NewImageAddress == *(PULONG)DllBase);
1817 
1818  /* Set the image base to the address where the loader put it */
1819  NtHeader->OptionalHeader.ImageBase = (ULONG_PTR)DllBase;
1820 
1821  /* Check if we had relocations */
1822  if (ValidRelocs)
1823  {
1824  /* Relocate the image */
1825  Status = LdrRelocateImageWithBias(NewImageAddress,
1826  0,
1827  "SYSLDR",
1828  STATUS_SUCCESS,
1829  STATUS_CONFLICTING_ADDRESSES,
1830  STATUS_INVALID_IMAGE_FORMAT);
1831  if (!NT_SUCCESS(Status))
1832  {
1833  /* This shouldn't happen */
1834  ERROR_FATAL("Relocations failed!\n");
1835  return;
1836  }
1837  }
1838 
1839  /* Update the loader entry */
1840  LdrEntry->DllBase = NewImageAddress;
1841 
1842  /* Update the thunks */
1843  DPRINT("[Mm0]: Updating thunks to: %wZ\n", &LdrEntry->BaseDllName);
1844  MiUpdateThunks(LoaderBlock,
1845  DllBase,
1846  NewImageAddress,
1847  LdrEntry->SizeOfImage);
1848 
1849  /* Update the loader entry */
1850  LdrEntry->Flags |= LDRP_SYSTEM_MAPPED;
1851  LdrEntry->EntryPoint = (PVOID)((ULONG_PTR)NewImageAddress +
1852  NtHeader->OptionalHeader.AddressOfEntryPoint);
1853  LdrEntry->SizeOfImage = PteCount << PAGE_SHIFT;
1854 
1855  /* FIXME: We'll need to fixup the PFN linkage when switching to ARM3 */
1856  }
1857 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
STATUS_SUCCESS
#define STATUS_SUCCESS
Definition: contextmenu.cpp:55
PAGE_SHIFT
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
TRUE
#define TRUE
Definition: types.h:120
_IMAGE_OPTIONAL_HEADER::AddressOfEntryPoint
DWORD AddressOfEntryPoint
Definition: ntddk_ex.h:149
_IMAGE_OPTIONAL_HEADER::ImageBase
DWORD ImageBase
Definition: ntddk_ex.h:157
_IMAGE_OPTIONAL_HEADER::NumberOfRvaAndSizes
DWORD NumberOfRvaAndSizes
Definition: ntddk_ex.h:177
PFN_COUNT
ULONG PFN_COUNT
Definition: mmtypes.h:102
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
MiReserveSystemPtes
PMMPTE NTAPI MiReserveSystemPtes(IN ULONG NumberOfPtes, IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType)
Definition: syspte.c:246
_IMAGE_DATA_DIRECTORY::Size
DWORD Size
Definition: ntddk_ex.h:133
MiUpdateThunks
VOID NTAPI INIT_FUNCTION MiUpdateThunks(IN PLOADER_PARAMETER_BLOCK LoaderBlock, IN PVOID OldBase, IN PVOID NewBase, IN ULONG Size)
Definition: sysldr.c:592
_LDR_DATA_TABLE_ENTRY::SizeOfImage
ULONG SizeOfImage
Definition: ldrtypes.h:141
snprintf
#define snprintf
Definition: wintirpc.h:48
_MMPFNENTRY::Modified
USHORT Modified
Definition: mm.h:292
WCHAR
#define WCHAR
Definition: msvc.h:43
_IMAGE_NT_HEADERS::OptionalHeader
IMAGE_OPTIONAL_HEADER32 OptionalHeader
Definition: ntddk_ex.h:184
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
ERROR_FATAL
#define ERROR_FATAL(...)
Definition: debug.h:237
_LDR_DATA_TABLE_ENTRY::DllBase
PVOID DllBase
Definition: ldrtypes.h:139
_MMPFN::e1
MMPFNENTRY e1
Definition: mm.h:329
i
GLenum GLclampf GLint i
Definition: glfuncs.h:14
MiAddressToPte
#define MiAddressToPte(x)
Definition: mmx86.c:19
FALSE
#define FALSE
Definition: types.h:117
MI_WRITE_VALID_PTE
FORCEINLINE VOID MI_WRITE_VALID_PTE(IN PMMPTE PointerPte, IN MMPTE TempPte)
Definition: miarm.h:914
_UNICODE_STRING::Buffer
PWSTR Buffer
Definition: env_spec_w32.h:371
_LDR_DATA_TABLE_ENTRY::EntryPoint
PVOID EntryPoint
Definition: ntddk_ex.h:207
_IMAGE_NT_HEADERS
Definition: ntddk_ex.h:181
MiPteToAddress
PVOID FORCEINLINE MiPteToAddress(PMMPTE PointerPte)
Definition: mm.h:185
DPRINT
void DPRINT(...)
Definition: polytest.cpp:61
_IMAGE_NT_HEADERS::FileHeader
IMAGE_FILE_HEADER FileHeader
Definition: ntddk_ex.h:183
_IMAGE_FILE_HEADER::Characteristics
WORD Characteristics
Definition: ntddk_ex.h:128
_LIST_ENTRY::Flink
struct _LIST_ENTRY * Flink
Definition: typedefs.h:120
BOOLEAN
unsigned char BOOLEAN
Definition: ProcessorBind.h:185
STATUS_INVALID_IMAGE_FORMAT
#define STATUS_INVALID_IMAGE_FORMAT
Definition: ntstatus.h:345
_IMAGE_DATA_DIRECTORY::VirtualAddress
DWORD VirtualAddress
Definition: ntddk_ex.h:132
_IMAGE_DATA_DIRECTORY
Definition: ntddk_ex.h:131
_MMPTE_HARDWARE::Valid
ULONG64 Valid
Definition: mmtypes.h:150
TempPte
HARDWARE_PTE_ARMV6 TempPte
Definition: winldr.c:75
ValidKernelPte
MMPTE ValidKernelPte
Definition: init.c:31
_MMPFN
Definition: mm.h:305
_LDR_DATA_TABLE_ENTRY
Definition: ntddk_ex.h:202
ExpInitializationPhase
ULONG ExpInitializationPhase
Definition: init.c:65
_IMAGE_FILE_HEADER
Definition: ntddk_ex.h:121
len
GLenum GLsizei len
Definition: glext.h:6722
_LIST_ENTRY
Definition: typedefs.h:118
MiGetPfnEntry
FORCEINLINE PMMPFN MiGetPfnEntry(IN PFN_NUMBER Pfn)
Definition: mm.h:877
Status
Status
Definition: gdiplustypes.h:24
_MMPTE
Definition: mmtypes.h:211
_MMPTE::Hard
MMPTE_HARDWARE Hard
Definition: mmtypes.h:217
NT_SUCCESS
#define NT_SUCCESS(StatCode)
Definition: cmd.c:149
NTSTATUS
LONG NTSTATUS
Definition: DriverTester.h:11
LdrRelocateImageWithBias
NTSYSAPI ULONG NTAPI LdrRelocateImageWithBias(_In_ PVOID NewAddress, _In_ LONGLONG AdditionalBias, _In_ PCCH LoaderName, _In_ ULONG Success, _In_ ULONG Conflict, _In_ ULONG Invalid)
ROUND_TO_PAGES
#define ROUND_TO_PAGES(Size)
_MMPTE::u
union _MMPTE::@2061 u
_LDR_DATA_TABLE_ENTRY::FullDllName
UNICODE_STRING FullDllName
Definition: ldrtypes.h:142
_LDR_DATA_TABLE_ENTRY::BaseDllName
UNICODE_STRING BaseDllName
Definition: ldrtypes.h:143
_MMPFNENTRY::Rom
USHORT Rom
Definition: mm.h:300
PULONG
unsigned int * PULONG
Definition: retypes.h:1
min
#define min(a, b)
Definition: monoChain.cc:55
IMAGE_DIRECTORY_ENTRY_BASERELOC
#define IMAGE_DIRECTORY_ENTRY_BASERELOC
Definition: pedump.c:264
RtlImageNtHeader
#define RtlImageNtHeader
Definition: compat.h:457
_MMPFN::u3
union _MMPFN::@1576 u3
_LDR_DATA_TABLE_ENTRY::Flags
ULONG Flags
Definition: ntddk_ex.h:211
ULONG
unsigned int ULONG
Definition: retypes.h:1
CONTAINING_RECORD
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
IMAGE_FILE_RELOCS_STRIPPED
#define IMAGE_FILE_RELOCS_STRIPPED
Definition: pedump.c:159
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
_MMPTE_HARDWARE::PageFrameNumber
ULONG64 PageFrameNumber
Definition: mmtypes.h:171
STATUS_CONFLICTING_ADDRESSES
#define STATUS_CONFLICTING_ADDRESSES
Definition: ntstatus.h:247
PFN_FROM_PTE
#define PFN_FROM_PTE(v)
Definition: mm.h:82
wcslen
size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
LDRP_SYSTEM_MAPPED
#define LDRP_SYSTEM_MAPPED
Definition: ldrtypes.h:52
VOID NTAPI MiRosCheckMemoryAreas ( PMMSUPPORT  AddressSpace)
VOID NTAPI MiRosCleanupMemoryArea ( PEPROCESS  Process,
PMMVAD  Vad 
)

Definition at line 524 of file marea.c.

Referenced by MmCleanProcessAddressSpace().

527 {
528  PMEMORY_AREA MemoryArea;
529  PVOID BaseAddress;
530  NTSTATUS Status;
531 
532  /* We must be called from MmCleanupAddressSpace and nowhere else!
533  Make sure things are as expected... */
534  ASSERT(Process == PsGetCurrentProcess());
535  ASSERT(Process->VmDeleted == TRUE);
536  ASSERT(((PsGetCurrentThread()->ThreadsProcess == Process) &&
537  (Process->ActiveThreads == 1)) ||
538  (Process->ActiveThreads == 0));
539 
540  /* We are in cleanup, we don't need to synchronize */
541  MmUnlockAddressSpace(&Process->Vm);
542 
543  MemoryArea = (PMEMORY_AREA)Vad;
544  BaseAddress = (PVOID)MA_GetStartingAddress(MemoryArea);
545 
546  if (MemoryArea->Type == MEMORY_AREA_SECTION_VIEW)
547  {
548  Status = MiRosUnmapViewOfSection(Process, BaseAddress, Process->ProcessExiting);
549  }
550  else if (MemoryArea->Type == MEMORY_AREA_CACHE)
551  {
552  Status = MmUnmapViewOfCacheSegment(&Process->Vm, BaseAddress);
553  }
554  else
555  {
556  /* There shouldn't be anything else! */
557  ASSERT(FALSE);
558  }
559 
560  /* Make sure this worked! */
561  ASSERT(NT_SUCCESS(Status));
562 
563  /* Lock the address space again */
564  MmLockAddressSpace(&Process->Vm);
565 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
TRUE
#define TRUE
Definition: types.h:120
_MEMORY_AREA::Type
ULONG Type
Definition: mm.h:214
PMEMORY_AREA
struct _MEMORY_AREA * PMEMORY_AREA
PsGetCurrentThread
#define PsGetCurrentThread()
Definition: env_spec_w32.h:81
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
MmUnlockAddressSpace
FORCEINLINE VOID MmUnlockAddressSpace(PMMSUPPORT AddressSpace)
Definition: mm.h:1354
MEMORY_AREA_CACHE
#define MEMORY_AREA_CACHE
Definition: mm.h:70
FALSE
#define FALSE
Definition: types.h:117
_EPROCESS::ProcessExiting
ULONG ProcessExiting
Definition: pstypes.h:1327
_EPROCESS::ActiveThreads
ULONG ActiveThreads
Definition: pstypes.h:1268
PsGetCurrentProcess
#define PsGetCurrentProcess
Definition: psfuncs.h:17
MEMORY_AREA_SECTION_VIEW
#define MEMORY_AREA_SECTION_VIEW
Definition: mm.h:69
BaseAddress
_In_ HANDLE _Outptr_result_bytebuffer_ ViewSize PVOID * BaseAddress
Definition: mmfuncs.h:404
_EPROCESS::VmDeleted
ULONG VmDeleted
Definition: pstypes.h:1330
MA_GetStartingAddress
#define MA_GetStartingAddress(_MemoryArea)
Definition: mm.h:203
_EPROCESS::Vm
MMSUPPORT Vm
Definition: pstypes.h:1288
Status
Status
Definition: gdiplustypes.h:24
MmUnmapViewOfCacheSegment
NTSTATUS NTAPI MmUnmapViewOfCacheSegment(PMMSUPPORT AddressSpace, PVOID BaseAddress)
Definition: data.c:713
NT_SUCCESS
#define NT_SUCCESS(StatCode)
Definition: cmd.c:149
NTSTATUS
LONG NTSTATUS
Definition: DriverTester.h:11
_MEMORY_AREA
Definition: mm.h:206
MiRosUnmapViewOfSection
NTSTATUS NTAPI MiRosUnmapViewOfSection(IN PEPROCESS Process, IN PVOID BaseAddress, IN BOOLEAN SkipDebuggerNotify)
Definition: section.c:4126
MemoryArea
struct _MEMORY_AREA * MemoryArea
Definition: newmm.h:65
MmLockAddressSpace
FORCEINLINE VOID MmLockAddressSpace(PMMSUPPORT AddressSpace)
Definition: mm.h:1347
VOID NTAPI MiUnmapPageInHyperSpace ( IN PEPROCESS  Process,
IN PVOID  Address,
IN KIRQL  OldIrql 
)

Definition at line 93 of file hypermap.c.

Referenced by _MiWriteBackPage(), MiCopyFromUserPage(), MiCopyPageToPage(), MiReadFilePage(), MiReadPage(), and MiZeroPhysicalPage().

96 {
97  ASSERT(Process == PsGetCurrentProcess());
98 
99  //
100  // Blow away the mapping
101  //
102  MiAddressToPte(Address)->u.Long = 0;
103 
104  //
105  // Release the hyperlock
106  //
107  ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);
108  KeReleaseSpinLock(&Process->HyperSpaceLock, OldIrql);
109 }
KeGetCurrentIrql
#define KeGetCurrentIrql()
Definition: env_spec_w32.h:706
Address
PVOID ULONG Address
Definition: oprghdlr.h:14
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
MiAddressToPte
#define MiAddressToPte(x)
Definition: mmx86.c:19
PsGetCurrentProcess
#define PsGetCurrentProcess
Definition: psfuncs.h:17
OldIrql
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:803
DISPATCH_LEVEL
#define DISPATCH_LEVEL
Definition: env_spec_w32.h:696
KeReleaseSpinLock
#define KeReleaseSpinLock(sl, irql)
Definition: env_spec_w32.h:627
Process
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:219
VOID NTAPI MiUnmapPagesInZeroSpace ( IN PVOID  VirtualAddress,
IN PFN_NUMBER  NumberOfPages 
)

Definition at line 185 of file hypermap.c.

Referenced by MmZeroPageThread().

187 {
188  PMMPTE PointerPte;
189 
190  //
191  // Sanity checks
192  //
193  ASSERT(KeGetCurrentIrql() == PASSIVE_LEVEL);
194  ASSERT (NumberOfPages != 0);
195  ASSERT (NumberOfPages <= (MI_ZERO_PTES - 1));
196 
197  //
198  // Get the first PTE for the mapped zero VA
199  //
200  PointerPte = MiAddressToPte(VirtualAddress);
201 
202  //
203  // Blow away the mapped zero PTEs
204  //
205  RtlZeroMemory(PointerPte, NumberOfPages * sizeof(MMPTE));
206 }
KeGetCurrentIrql
#define KeGetCurrentIrql()
Definition: env_spec_w32.h:706
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
MiAddressToPte
#define MiAddressToPte(x)
Definition: mmx86.c:19
VirtualAddress
_In_ ULONG _In_ BOOLEAN _Must_inspect_result_ PVOID * VirtualAddress
Definition: ndis.h:3772
PASSIVE_LEVEL
#define PASSIVE_LEVEL
Definition: env_spec_w32.h:693
_MMPTE
Definition: mmtypes.h:211
RtlZeroMemory
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
MI_ZERO_PTES
#define MI_ZERO_PTES
Definition: mm.h:72
NTSTATUS NTAPI MmAccessFault ( IN BOOLEAN  StoreInstruction,
IN PVOID  Address,
IN KPROCESSOR_MODE  Mode,
IN PVOID  TrapInformation 
)

Definition at line 204 of file mmfault.c.

Referenced by KiDataAbortHandler(), KiPageFaultHandler(), KiTrap0EHandler(), MiLockVirtualMemory(), MiMakeSystemAddressValid(), MiMakeSystemAddressValidPfn(), and MmProbeAndLockPages().

208 {
209  PMEMORY_AREA MemoryArea = NULL;
210 
211  /* Cute little hack for ROS */
212  if ((ULONG_PTR)Address >= (ULONG_PTR)MmSystemRangeStart)
213  {
214 #ifdef _M_IX86
215  /* Check for an invalid page directory in kernel mode */
216  if (Mmi386MakeKernelPageTableGlobal(Address))
217  {
218  /* All is well with the world */
219  return STATUS_SUCCESS;
220  }
221 #endif
222  }
223 
224  /* Handle shared user page, which doesn't have a VAD / MemoryArea */
225  if (PAGE_ALIGN(Address) == (PVOID)MM_SHARED_USER_DATA_VA)
226  {
227  /* This is an ARM3 fault */
228  DPRINT("ARM3 fault %p\n", MemoryArea);
229  return MmArmAccessFault(StoreInstruction, Address, Mode, TrapInformation);
230  }
231 
232  /* Is there a ReactOS address space yet? */
233  if (MmGetKernelAddressSpace())
234  {
235  /* Check if this is an ARM3 memory area */
236  MemoryArea = MmLocateMemoryAreaByAddress(MmGetKernelAddressSpace(), Address);
237  if (!(MemoryArea) && (Address <= MM_HIGHEST_USER_ADDRESS))
238  {
239  /* Could this be a VAD fault from user-mode? */
240  MemoryArea = MmLocateMemoryAreaByAddress(MmGetCurrentAddressSpace(), Address);
241  }
242  }
243 
244  /* Is this an ARM3 memory area, or is there no address space yet? */
245  if (((MemoryArea) && (MemoryArea->Type == MEMORY_AREA_OWNED_BY_ARM3)) ||
246  (!(MemoryArea) && ((ULONG_PTR)Address >= (ULONG_PTR)MmPagedPoolStart)) ||
247  (!MmGetKernelAddressSpace()))
248  {
249  /* This is an ARM3 fault */
250  DPRINT("ARM3 fault %p\n", MemoryArea);
251  return MmArmAccessFault(StoreInstruction, Address, Mode, TrapInformation);
252  }
253 
254  /* Keep same old ReactOS Behaviour */
255  if (StoreInstruction)
256  {
257  /* Call access fault */
258  return MmpAccessFault(Mode, (ULONG_PTR)Address, TrapInformation ? FALSE : TRUE);
259  }
260  else
261  {
262  /* Call not present */
263  return MmNotPresentFault(Mode, (ULONG_PTR)Address, TrapInformation ? FALSE : TRUE);
264  }
265 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
STATUS_SUCCESS
#define STATUS_SUCCESS
Definition: contextmenu.cpp:55
MM_HIGHEST_USER_ADDRESS
#define MM_HIGHEST_USER_ADDRESS
Definition: armddk.h:17
TRUE
#define TRUE
Definition: types.h:120
Address
PVOID ULONG Address
Definition: oprghdlr.h:14
_MEMORY_AREA::Type
ULONG Type
Definition: mm.h:214
Mode
_In_ ULONG Mode
Definition: hubbusif.h:303
MmArmAccessFault
NTSTATUS NTAPI MmArmAccessFault(IN BOOLEAN StoreInstruction, IN PVOID Address, IN KPROCESSOR_MODE Mode, IN PVOID TrapInformation)
Definition: pagfault.c:1638
MM_SHARED_USER_DATA_VA
#define MM_SHARED_USER_DATA_VA
Definition: mmtypes.h:48
MmLocateMemoryAreaByAddress
PMEMORY_AREA NTAPI MmLocateMemoryAreaByAddress(PMMSUPPORT AddressSpace, PVOID Address)
Definition: marea.c:60
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
MEMORY_AREA_OWNED_BY_ARM3
#define MEMORY_AREA_OWNED_BY_ARM3
Definition: mm.h:71
FALSE
#define FALSE
Definition: types.h:117
MmpAccessFault
NTSTATUS NTAPI MmpAccessFault(KPROCESSOR_MODE Mode, ULONG_PTR Address, BOOLEAN FromMdl)
Definition: mmfault.c:23
NULL
smooth NULL
Definition: ftsmooth.c:513
DPRINT
void DPRINT(...)
Definition: polytest.cpp:61
PAGE_ALIGN
#define PAGE_ALIGN(Va)
Mmi386MakeKernelPageTableGlobal
BOOLEAN Mmi386MakeKernelPageTableGlobal(PVOID Address)
Definition: page.c:497
MmPagedPoolStart
PVOID MmPagedPoolStart
Definition: miarm.h:552
MmGetKernelAddressSpace
FORCEINLINE PMMSUPPORT MmGetKernelAddressSpace(VOID)
Definition: mm.h:1376
MmNotPresentFault
NTSTATUS NTAPI MmNotPresentFault(KPROCESSOR_MODE Mode, ULONG_PTR Address, BOOLEAN FromMdl)
Definition: mmfault.c:110
_MEMORY_AREA
Definition: mm.h:206
MmSystemRangeStart
#define MmSystemRangeStart
Definition: mm.h:25
MmGetCurrentAddressSpace
FORCEINLINE PMMSUPPORT MmGetCurrentAddressSpace(VOID)
Definition: mm.h:1369
NTSTATUS NTAPI MmAccessFaultSectionView ( PMMSUPPORT  AddressSpace,
MEMORY_AREA *  MemoryArea,
PVOID  Address 
)

Definition at line 1692 of file section.c.

Referenced by MmpAccessFault().

1695 {
1696  PMM_SECTION_SEGMENT Segment;
1697  PROS_SECTION_OBJECT Section;
1698  PFN_NUMBER OldPage;
1699  PFN_NUMBER NewPage;
1700  NTSTATUS Status;
1701  PVOID PAddress;
1702  LARGE_INTEGER Offset;
1703  PMM_REGION Region;
1704  ULONG_PTR Entry;
1705  PEPROCESS Process = MmGetAddressSpaceOwner(AddressSpace);
1706 
1707  DPRINT("MmAccessFaultSectionView(%p, %p, %p)\n", AddressSpace, MemoryArea, Address);
1708 
1709  /* Make sure we have a page mapping for this address. */
1710  Status = MmNotPresentFaultSectionView(AddressSpace, MemoryArea, Address, TRUE);
1711  if (!NT_SUCCESS(Status))
1712  {
1713  /* This is invalid access ! */
1714  return Status;
1715  }
1716 
1717  /*
1718  * Check if the page has already been set readwrite
1719  */
1720  if (MmGetPageProtect(Process, Address) & PAGE_READWRITE)
1721  {
1722  DPRINT("Address 0x%p\n", Address);
1723  return(STATUS_SUCCESS);
1724  }
1725 
1726  /*
1727  * Find the offset of the page
1728  */
1729  PAddress = MM_ROUND_DOWN(Address, PAGE_SIZE);
1730  Offset.QuadPart = (ULONG_PTR)PAddress - MA_GetStartingAddress(MemoryArea)
1731  + MemoryArea->Data.SectionData.ViewOffset.QuadPart;
1732 
1733  Segment = MemoryArea->Data.SectionData.Segment;
1734  Section = MemoryArea->Data.SectionData.Section;
1735  Region = MmFindRegion((PVOID)MA_GetStartingAddress(MemoryArea),
1736  &MemoryArea->Data.SectionData.RegionListHead,
1737  Address, NULL);
1738  ASSERT(Region != NULL);
1739 
1740  /*
1741  * Check if we are doing COW
1742  */
1743  if (!((Segment->WriteCopy) &&
1744  (Region->Protect == PAGE_READWRITE ||
1745  Region->Protect == PAGE_EXECUTE_READWRITE)))
1746  {
1747  DPRINT("Address 0x%p\n", Address);
1748  return(STATUS_ACCESS_VIOLATION);
1749  }
1750 
1751  /* Get the page mapping this section offset. */
1752  MmLockSectionSegment(Segment);
1753  Entry = MmGetPageEntrySectionSegment(Segment, &Offset);
1754 
1755  /* Get the current page mapping for the process */
1756  ASSERT(MmIsPagePresent(Process, PAddress));
1757  OldPage = MmGetPfnForProcess(Process, PAddress);
1758  ASSERT(OldPage != 0);
1759 
1760  if (IS_SWAP_FROM_SSE(Entry) ||
1761  PFN_FROM_SSE(Entry) != OldPage)
1762  {
1763  MmUnlockSectionSegment(Segment);
1764  /* This is a private page. We must only change the page protection. */
1765  MmSetPageProtect(Process, PAddress, Region->Protect);
1766  return(STATUS_SUCCESS);
1767  }
1768 
1769  /*
1770  * Allocate a page
1771  */
1772  MI_SET_USAGE(MI_USAGE_SECTION);
1773  if (Process) MI_SET_PROCESS2(Process->ImageFileName);
1774  if (!Process) MI_SET_PROCESS2("Kernel Section");
1775  Status = MmRequestPageMemoryConsumer(MC_USER, TRUE, &NewPage);
1776  if (!NT_SUCCESS(Status))
1777  {
1778  KeBugCheck(MEMORY_MANAGEMENT);
1779  }
1780 
1781  /*
1782  * Copy the old page
1783  */
1784  MiCopyFromUserPage(NewPage, OldPage);
1785 
1786  /*
1787  * Unshare the old page.
1788  */
1789  DPRINT("Swapping page (Old %x New %x)\n", OldPage, NewPage);
1790  MmDeleteVirtualMapping(Process, PAddress, NULL, NULL);
1791  MmDeleteRmap(OldPage, Process, PAddress);
1792  MmUnsharePageEntrySectionSegment(Section, Segment, &Offset, FALSE, FALSE, NULL);
1793  MmUnlockSectionSegment(Segment);
1794 
1795  /*
1796  * Set the PTE to point to the new page
1797  */
1798  Status = MmCreateVirtualMapping(Process,
1799  PAddress,
1800  Region->Protect,
1801  &NewPage,
1802  1);
1803  if (!NT_SUCCESS(Status))
1804  {
1805  DPRINT1("MmCreateVirtualMapping failed, unable to create virtual mapping, not out of memory\n");
1806  KeBugCheck(MEMORY_MANAGEMENT);
1807  return(Status);
1808  }
1809  MmInsertRmap(NewPage, Process, PAddress);
1810 
1811  MiSetPageEvent(Process, Address);
1812  DPRINT("Address 0x%p\n", Address);
1813  return(STATUS_SUCCESS);
1814 }
PVOID
DWORD *typedef PVOID
Definition: winlogon.h:52
STATUS_SUCCESS
#define STATUS_SUCCESS
Definition: contextmenu.cpp:55
MmFindRegion
PMM_REGION NTAPI MmFindRegion(PVOID BaseAddress, PLIST_ENTRY RegionListHead, PVOID Address, PVOID *RegionBaseAddress)
Definition: region.c:257
_MM_SECTION_SEGMENT::WriteCopy
BOOLEAN WriteCopy
Definition: mm.h:166
TRUE
#define TRUE
Definition: types.h:120
Address
PVOID ULONG Address
Definition: oprghdlr.h:14
MmInsertRmap
VOID NTAPI MmInsertRmap(PFN_NUMBER Page, struct _EPROCESS *Process, PVOID Address)
MiSetPageEvent
#define MiSetPageEvent(Process, Address)
Definition: newmm.h:43
Entry
struct _Entry Entry
Definition: kefuncs.h:640
PFN_FROM_SSE
#define PFN_FROM_SSE(E)
Definition: newmm.h:7
MmCreateVirtualMapping
NTSTATUS NTAPI MmCreateVirtualMapping(struct _EPROCESS *Process, PVOID Address, ULONG flProtect, PPFN_NUMBER Pages, ULONG PageCount)
MmGetPageProtect
ULONG NTAPI MmGetPageProtect(struct _EPROCESS *Process, PVOID Address)
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
MC_USER
#define MC_USER
Definition: mm.h:92
MmDeleteRmap
VOID NTAPI MmDeleteRmap(PFN_NUMBER Page, struct _EPROCESS *Process, PVOID Address)
_MM_REGION
Definition: mm.h:390
_MEMORY_AREA::Data
union _MEMORY_AREA::@1571 Data
MmRequestPageMemoryConsumer
NTSTATUS NTAPI MmRequestPageMemoryConsumer(ULONG Consumer, BOOLEAN MyWait, PPFN_NUMBER AllocatedPage)
Definition: balance.c:229
_EPROCESS
Definition: pstypes.h:1192
ULONG_PTR
uint32_t ULONG_PTR
Definition: typedefs.h:64
MmIsPagePresent
BOOLEAN NTAPI MmIsPagePresent(struct _EPROCESS *Process, PVOID Address)
_ROS_SECTION_OBJECT
Definition: mm.h:188
PFN_NUMBER
ULONG PFN_NUMBER
Definition: ke.h:8
Offset
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
FALSE
#define FALSE
Definition: types.h:117
MmNotPresentFaultSectionView
NTSTATUS NTAPI MmNotPresentFaultSectionView(PMMSUPPORT AddressSpace, MEMORY_AREA *MemoryArea, PVOID Address, BOOLEAN Locked)
Definition: section.c:1282
MI_SET_PROCESS2
#define MI_SET_PROCESS2(x)
Definition: mm.h:254
MmUnsharePageEntrySectionSegment
BOOLEAN NTAPI MmUnsharePageEntrySectionSegment(PROS_SECTION_OBJECT Section, PMM_SECTION_SEGMENT Segment, PLARGE_INTEGER Offset, BOOLEAN Dirty, BOOLEAN PageOut, ULONG_PTR *InEntry)
Definition: section.c:876
NULL
smooth NULL
Definition: ftsmooth.c:513
MmDeleteVirtualMapping
VOID NTAPI MmDeleteVirtualMapping(struct _EPROCESS *Process, PVOID Address, BOOLEAN *WasDirty, PPFN_NUMBER Page)
DPRINT
void DPRINT(...)
Definition: polytest.cpp:61
KeBugCheck
VOID NTAPI KeBugCheck(ULONG BugCheckCode)
Definition: bug.c:1469
MI_SET_USAGE
#define MI_SET_USAGE(x)
Definition: mm.h:253
Segment
_Inout_ PVOID Segment
Definition: exfuncs.h:893
_MM_REGION::Protect
ULONG Protect
Definition: mm.h:393
MmSetPageProtect
VOID NTAPI MmSetPageProtect(struct _EPROCESS *Process, PVOID Address, ULONG flProtect)
_MEMORY_AREA::SectionData
struct _MEMORY_AREA::@1571::@1572 SectionData
MM_ROUND_DOWN
#define MM_ROUND_DOWN(x, s)
Definition: mm.h:107
PAGE_SIZE
#define PAGE_SIZE
Definition: env_spec_w32.h:49
IS_SWAP_FROM_SSE
#define IS_SWAP_FROM_SSE(E)
Definition: newmm.h:8
MA_GetStartingAddress
#define MA_GetStartingAddress(_MemoryArea)
Definition: mm.h:203
Status
Status
Definition: gdiplustypes.h:24
NT_SUCCESS
#define NT_SUCCESS(StatCode)
Definition: cmd.c:149
NTSTATUS
LONG NTSTATUS
Definition: DriverTester.h:11
STATUS_ACCESS_VIOLATION
#define STATUS_ACCESS_VIOLATION
Definition: ntstatus.h:228
MmGetPfnForProcess
PFN_NUMBER NTAPI MmGetPfnForProcess(struct _EPROCESS *Process, PVOID Address)
MmGetAddressSpaceOwner
FORCEINLINE PEPROCESS MmGetAddressSpaceOwner(IN PMMSUPPORT AddressSpace)
Definition: mm.h:1361
MiCopyFromUserPage
NTSTATUS NTAPI MiCopyFromUserPage(PFN_NUMBER DestPage, PFN_NUMBER SrcPage)
Definition: section.c:1043
_LARGE_INTEGER
Definition: typedefs.h:101
DPRINT1
#define DPRINT1
Definition: precomp.h:8
MmLockSectionSegment
#define MmLockSectionSegment(x)
Definition: newmm.h:276
Process
_Must_inspect_result_ _In_ PLARGE_INTEGER _In_ PLARGE_INTEGER _In_ ULONG _In_ PFILE_OBJECT _In_ PVOID Process
Definition: fsrtlfuncs.h:219
_MM_SECTION_SEGMENT
Definition: mm.h:156
_EPROCESS::ImageFileName
CHAR ImageFileName[16]
Definition: pstypes.h:1258
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
PAGE_EXECUTE_READWRITE
#define PAGE_EXECUTE_READWRITE
Definition: nt_native.h:1308
MmUnlockSectionSegment
#define MmUnlockSectionSegment(x)
Definition: newmm.h:284
MmGetPageEntrySectionSegment
#define MmGetPageEntrySectionSegment(S, O)
Definition: newmm.h:143
_LARGE_INTEGER::QuadPart
LONGLONG QuadPart
Definition: typedefs.h:113
PAGE_READWRITE
#define PAGE_READWRITE
Definition: nt_native.h:1304
NTSTATUS NTAPI MmAdjustWorkingSetSize ( IN SIZE_T  WorkingSetMinimumInBytes,
IN SIZE_T  WorkingSetMaximumInBytes,
IN ULONG  SystemCache,
IN BOOLEAN  IncreaseOkay 
)

Definition at line 44 of file mmsup.c.

Referenced by PspSetQuotaLimits().

48 {
49  SIZE_T MinimumWorkingSetSize, MaximumWorkingSetSize;
50  SSIZE_T Delta;
51  PMMSUPPORT Ws;
52  NTSTATUS Status;
53 
54  /* Check for special case: empty the working set */
55  if ((WorkingSetMinimumInBytes == -1) &&
56  (WorkingSetMaximumInBytes == -1))
57  {
58  UNIMPLEMENTED;
59  return STATUS_NOT_IMPLEMENTED;
60  }
61 
62  /* Assume success */
63  Status = STATUS_SUCCESS;
64 
65  /* Get the working set and lock it */
66  Ws = &PsGetCurrentProcess()->Vm;
67  MiLockWorkingSet(PsGetCurrentThread(), Ws);
68 
69  /* Calculate the actual minimum and maximum working set size to set */
70  MinimumWorkingSetSize = (WorkingSetMinimumInBytes != 0) ?
71  (WorkingSetMinimumInBytes / PAGE_SIZE) : Ws->MinimumWorkingSetSize;
72  MaximumWorkingSetSize = (WorkingSetMaximumInBytes != 0) ?
73  (WorkingSetMaximumInBytes / PAGE_SIZE) : Ws->MaximumWorkingSetSize;
74 
75  /* Check if the new maximum exceeds the global maximum */
76  if (MaximumWorkingSetSize > MmMaximumWorkingSetSize)
77  {
78  MaximumWorkingSetSize = MmMaximumWorkingSetSize;
79  Status = STATUS_WORKING_SET_LIMIT_RANGE;
80  }
81 
82  /* Check if the new minimum is below the global minimum */
83  if (MinimumWorkingSetSize < MmMinimumWorkingSetSize)
84  {
85  MinimumWorkingSetSize = MmMinimumWorkingSetSize;
86  Status = STATUS_WORKING_SET_LIMIT_RANGE;
87  }
88 
89  /* Check if the new minimum exceeds the new maximum */
90  if (MinimumWorkingSetSize > MaximumWorkingSetSize)
91  {
92  DPRINT1("MinimumWorkingSetSize (%lu) > MaximumWorkingSetSize (%lu)\n",
93  MinimumWorkingSetSize, MaximumWorkingSetSize);
94  Status = STATUS_BAD_WORKING_SET_LIMIT;
95  goto Cleanup;
96  }
97 
98  /* Calculate the minimum WS size adjustment and check if we increase */
99  Delta = MinimumWorkingSetSize - Ws->MinimumWorkingSetSize;
100  if (Delta > 0)
101  {
102  /* Is increasing ok? */
103  if (!IncreaseOkay)
104  {
105  DPRINT1("Privilege for WS size increase not held\n");
106  Status = STATUS_PRIVILEGE_NOT_HELD;
107  goto Cleanup;
108  }
109 
110  /* Check if the number of available pages is large enough */
111  if (((SIZE_T)Delta / 1024) > (MmAvailablePages - 128))
112  {
113  DPRINT1("Not enough available pages\n");
114  Status = STATUS_INSUFFICIENT_RESOURCES;
115  goto Cleanup;
116  }
117 
118  /* Check if there are enough resident available pages */
119  if ((SIZE_T)Delta >
120  (MmResidentAvailablePages - MmSystemLockPagesCount - 256))
121  {
122  DPRINT1("Not enough resident pages\n");
123  Status = STATUS_INSUFFICIENT_RESOURCES;
124  goto Cleanup;
125  }
126  }
127 
128  /* Update resident available pages */
129  if (Delta != 0)
130  {
131  InterlockedExchangeAddSizeT(&MmResidentAvailablePages, -Delta);
132  }
133 
134  /* Calculate new pages above minimum WS size */
135  Delta += max((SSIZE_T)Ws->WorkingSetSize - MinimumWorkingSetSize, 0);
136 
137  /* Subtract old pages above minimum WS size */
138  Delta -= max((SSIZE_T)Ws->WorkingSetSize - Ws->MinimumWorkingSetSize, 0);
139 
140  /* If it changed, add it to the global variable */
141  if (Delta != 0)
142  {
143  InterlockedExchangeAddSizeT(&MmPagesAboveWsMinimum, Delta);
144  }
145 
146  /* Set the new working set size */
147  Ws->MinimumWorkingSetSize = MinimumWorkingSetSize;
148  Ws->MaximumWorkingSetSize = MaximumWorkingSetSize;
149 
150 Cleanup:
151 
152  /* Unlock the working set and return the status */
153  MiUnlockWorkingSet(PsGetCurrentThread(), Ws);
154  return Status;
155 }
MmPagesAboveWsMinimum
SIZE_T MmPagesAboveWsMinimum
Definition: mmsup.c:22
STATUS_SUCCESS
#define STATUS_SUCCESS
Definition: contextmenu.cpp:55
MmResidentAvailablePages
PFN_NUMBER MmResidentAvailablePages
Definition: freelist.c:27
STATUS_PRIVILEGE_NOT_HELD
#define STATUS_PRIVILEGE_NOT_HELD
Definition: DriverTester.h:9
max
#define max(a, b)
Definition: svc.c:63
STATUS_INSUFFICIENT_RESOURCES
#define STATUS_INSUFFICIENT_RESOURCES
Definition: udferr_usr.h:158
PsGetCurrentThread
#define PsGetCurrentThread()
Definition: env_spec_w32.h:81
STATUS_NOT_IMPLEMENTED
#define STATUS_NOT_IMPLEMENTED
Definition: ntstatus.h:225
MmSystemLockPagesCount
SIZE_T MmSystemLockPagesCount
Definition: mdlsup.c:22
SSIZE_T
LONG_PTR SSIZE_T
Definition: basetsd.h:182
_MMSUPPORT::MinimumWorkingSetSize
ULONG MinimumWorkingSetSize
Definition: mmtypes.h:915
MmAvailablePages
PFN_NUMBER MmAvailablePages
Definition: freelist.c:26
STATUS_BAD_WORKING_SET_LIMIT
#define STATUS_BAD_WORKING_SET_LIMIT
Definition: ntstatus.h:298
_MMSUPPORT
Definition: mmtypes.h:896
PsGetCurrentProcess
#define PsGetCurrentProcess
Definition: