ReactOS  0.4.15-dev-2354-g9e947e2
sptab.c File Reference
#include <ntoskrnl.h>
#include "newmm.h"
#include <debug.h>
Include dependency graph for sptab.c:

Go to the source code of this file.

Macros

#define NDEBUG
 
#define DPRINTC   DPRINT
 

Functions

 _Function_class_ (RTL_GENERIC_ALLOCATE_ROUTINE)
 
 _Function_class_ (RTL_GENERIC_FREE_ROUTINE)
 
 _Function_class_ (RTL_GENERIC_COMPARE_ROUTINE)
 
static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGet (PRTL_GENERIC_TABLE Table, PLARGE_INTEGER FileOffset)
 
static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGetOrAllocate (PRTL_GENERIC_TABLE Table, PLARGE_INTEGER FileOffset)
 
VOID NTAPI MiInitializeSectionPageTable (PMM_SECTION_SEGMENT Segment)
 
NTSTATUS NTAPI _MmSetPageEntrySectionSegment (PMM_SECTION_SEGMENT Segment, PLARGE_INTEGER Offset, ULONG_PTR Entry, const char *file, int line)
 
ULONG_PTR NTAPI _MmGetPageEntrySectionSegment (PMM_SECTION_SEGMENT Segment, PLARGE_INTEGER Offset, const char *file, int line)
 
VOID NTAPI MmFreePageTablesSectionSegment (PMM_SECTION_SEGMENT Segment, FREE_SECTION_PAGE_FUN FreePage)
 
PMM_SECTION_SEGMENT NTAPI MmGetSectionAssociation (PFN_NUMBER Page, PLARGE_INTEGER Offset)
 
NTSTATUS NTAPI MmSetSectionAssociation (PFN_NUMBER Page, PMM_SECTION_SEGMENT Segment, PLARGE_INTEGER Offset)
 

Variables

KSPIN_LOCK MiSectionPageTableLock
 

Macro Definition Documentation

◆ DPRINTC

#define DPRINTC   DPRINT

Definition at line 61 of file sptab.c.

◆ NDEBUG

#define NDEBUG

Definition at line 58 of file sptab.c.

Function Documentation

◆ _Function_class_() [1/3]

_Function_class_ ( RTL_GENERIC_ALLOCATE_ROUTINE  )

Definition at line 67 of file sptab.c.

72 {
73  PVOID Result;
75  //DPRINT("MiSectionPageTableAllocate(%d) => %p\n", Bytes, Result);
76  return Result;
77 }
_In_ UINT Bytes
Definition: mmcopy.h:9
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:426
#define ExAllocatePoolWithTag(hernya, size, tag)
Definition: env_spec_w32.h:350

◆ _Function_class_() [2/3]

_Function_class_ ( RTL_GENERIC_FREE_ROUTINE  )

Definition at line 79 of file sptab.c.

84 {
85  //DPRINT("MiSectionPageTableFree(%p)\n", Data);
86  ExFreePoolWithTag(Data, 'tPmM');
87 }
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099

◆ _Function_class_() [3/3]

_Function_class_ ( RTL_GENERIC_COMPARE_ROUTINE  )

Definition at line 89 of file sptab.c.

96 {
97  PLARGE_INTEGER A = PtrA, B = PtrB;
98  BOOLEAN Result = (A->QuadPart < B->QuadPart) ? GenericLessThan :
99  (A->QuadPart == B->QuadPart) ? GenericEqual : GenericGreaterThan;
100 
101 #if 0
102  DPRINT
103  ("Compare: %08x%08x vs %08x%08x => %s\n",
104  A->u.HighPart, A->u.LowPart,
105  B->u.HighPart, B->u.LowPart,
106  Result == GenericLessThan ? "GenericLessThan" :
107  Result == GenericGreaterThan ? "GenericGreaterThan" :
108  "GenericEqual");
109 #endif
110 
111  return Result;
112 }
Definition: ehthrow.cxx:53
Definition: ehthrow.cxx:92
unsigned char BOOLEAN
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:426
#define DPRINT
Definition: sndvol32.h:71

◆ _MmGetPageEntrySectionSegment()

ULONG_PTR NTAPI _MmGetPageEntrySectionSegment ( PMM_SECTION_SEGMENT  Segment,
PLARGE_INTEGER  Offset,
const char file,
int  line 
)

Definition at line 258 of file sptab.c.

262 {
264  ULONG_PTR PageIndex, Result;
266 
267  ASSERT(Segment->Locked);
268  FileOffset.QuadPart = ROUND_DOWN(Offset->QuadPart,
271  if (!PageTable) return 0;
272  PageIndex = (ULONG_PTR)((Offset->QuadPart - PageTable->FileOffset.QuadPart) / PAGE_SIZE);
273  Result = PageTable->PageEntries[PageIndex];
274 #if 0
275  DPRINTC
276  ("MiGetPageEntrySectionSegment(%p,%08x%08x) => %x %s:%d\n",
277  Segment,
278  FileOffset.u.HighPart,
279  FileOffset.u.LowPart + PageIndex * PAGE_SIZE,
280  Result,
281  file, line);
282 #endif
283  return Result;
284 }
static PMEM_HOOK PageTable[TOTAL_PAGES]
Definition: memory.c:40
static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGet(PRTL_GENERIC_TABLE Table, PLARGE_INTEGER FileOffset)
Definition: sptab.c:117
uint32_t ULONG_PTR
Definition: typedefs.h:65
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:426
Definition: parser.c:48
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
#define ASSERT(a)
Definition: mode.c:45
#define PAGE_SIZE
Definition: env_spec_w32.h:49
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define ROUND_DOWN(n, align)
Definition: eventvwr.h:30
_In_ PFCB _In_ LONGLONG FileOffset
Definition: cdprocs.h:159
#define ULONG_PTR
Definition: config.h:101
#define DPRINTC
Definition: sptab.c:61
#define ENTRIES_PER_ELEMENT
Definition: newmm.h:21
Definition: fci.c:126

◆ _MmSetPageEntrySectionSegment()

NTSTATUS NTAPI _MmSetPageEntrySectionSegment ( PMM_SECTION_SEGMENT  Segment,
PLARGE_INTEGER  Offset,
ULONG_PTR  Entry,
const char file,
int  line 
)

Definition at line 178 of file sptab.c.

183 {
184  ULONG_PTR PageIndex, OldEntry;
186 
187  ASSERT(Segment->Locked);
189 
191 
192  if (!PageTable) return STATUS_NO_MEMORY;
193 
195 
196  PageTable->Segment = Segment;
197  PageIndex = (ULONG_PTR)((Offset->QuadPart - PageTable->FileOffset.QuadPart) / PAGE_SIZE);
198  OldEntry = PageTable->PageEntries[PageIndex];
199 
200  DPRINT("MiSetPageEntrySectionSegment(%p,%08x%08x,%x=>%x)\n",
201  Segment,
202  Offset->u.HighPart,
203  Offset->u.LowPart,
204  OldEntry,
205  Entry);
206 
207  if (Entry && !IS_SWAP_FROM_SSE(Entry))
208  {
209  /* We have a valid entry. See if we must do something */
210  if (OldEntry && !IS_SWAP_FROM_SSE(OldEntry))
211  {
212  /* The previous entry was valid. Shall we swap the Rmaps ? */
213  if (PFN_FROM_SSE(Entry) != PFN_FROM_SSE(OldEntry))
214  {
217  }
218  }
219  else
220  {
221  /*
222  * We're switching to a valid entry from an invalid one.
223  * Add the Rmap and take a ref on the segment.
224  */
226  InterlockedIncrement64(Segment->ReferenceCount);
227 
228  if (Offset->QuadPart >= (Segment->LastPage << PAGE_SHIFT))
229  Segment->LastPage = (Offset->QuadPart >> PAGE_SHIFT) + 1;
230  }
231  }
232  else if (OldEntry && !IS_SWAP_FROM_SSE(OldEntry))
233  {
234  /* We're switching to an invalid entry from a valid one */
237 
238  if (Offset->QuadPart == ((Segment->LastPage - 1ULL) << PAGE_SHIFT))
239  {
240  /* We are unsetting the last page */
241  while (--Segment->LastPage)
242  {
243  LARGE_INTEGER CheckOffset;
244  CheckOffset.QuadPart = (Segment->LastPage - 1) << PAGE_SHIFT;
246  if ((Entry != 0) && !IS_SWAP_FROM_SSE(Entry))
247  break;
248  }
249  }
250  }
251 
252  PageTable->PageEntries[PageIndex] = Entry;
253  return STATUS_SUCCESS;
254 }
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
#define MmGetPageEntrySectionSegment(S, O)
Definition: mm.h:1463
struct _Entry Entry
Definition: kefuncs.h:627
static PMEM_HOOK PageTable[TOTAL_PAGES]
Definition: memory.c:40
#define PFN_FROM_SSE(E)
Definition: mm.h:1259
static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGet(PRTL_GENERIC_TABLE Table, PLARGE_INTEGER FileOffset)
Definition: sptab.c:117
static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGetOrAllocate(PRTL_GENERIC_TABLE Table, PLARGE_INTEGER FileOffset)
Definition: sptab.c:136
uint32_t ULONG_PTR
Definition: typedefs.h:65
#define IS_DIRTY_SSE(E)
Definition: mm.h:1268
VOID NTAPI MmDeleteSectionAssociation(PFN_NUMBER Page)
Definition: rmap.c:498
#define ULL(a, b)
Definition: format_msg.c:27
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
#define InterlockedIncrement64
Definition: interlocked.h:211
#define ASSERT(a)
Definition: mode.c:45
NTSTATUS NTAPI MmSetSectionAssociation(PFN_NUMBER Page, PMM_SECTION_SEGMENT Segment, PLARGE_INTEGER Offset)
Definition: sptab.c:373
#define PAGE_SIZE
Definition: env_spec_w32.h:49
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define IS_SWAP_FROM_SSE(E)
Definition: mm.h:1260
#define STATUS_NO_MEMORY
Definition: ntstatus.h:260
#define ULONG_PTR
Definition: config.h:101
VOID NTAPI MmDereferenceSegment(PMM_SECTION_SEGMENT Segment)
Definition: section.c:991
#define STATUS_SUCCESS
Definition: shellext.h:65
#define DPRINT
Definition: sndvol32.h:71
base of all file and directory entries
Definition: entries.h:82
LONGLONG QuadPart
Definition: typedefs.h:114

◆ MiInitializeSectionPageTable()

VOID NTAPI MiInitializeSectionPageTable ( PMM_SECTION_SEGMENT  Segment)

Definition at line 165 of file sptab.c.

166 {
168  MiSectionPageTableCompare,
169  MiSectionPageTableAllocate,
170  MiSectionPageTableFree,
171  NULL);
172 
173  DPRINT("MiInitializeSectionPageTable(%p)\n", &Segment->PageTable);
174 }
VOID NTAPI RtlInitializeGenericTable(IN PRTL_GENERIC_TABLE Table, IN PRTL_GENERIC_COMPARE_ROUTINE CompareRoutine, IN PRTL_GENERIC_ALLOCATE_ROUTINE AllocateRoutine, IN PRTL_GENERIC_FREE_ROUTINE FreeRoutine, IN PVOID TableContext)
Definition: generictable.c:100
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
#define NULL
Definition: types.h:112
#define DPRINT
Definition: sndvol32.h:71

Referenced by ExeFmtpCreateImageSection(), MmCreateDataFileSection(), and MmCreatePhysicalMemorySection().

◆ MiSectionPageTableGet()

static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGet ( PRTL_GENERIC_TABLE  Table,
PLARGE_INTEGER  FileOffset 
)
static

Definition at line 117 of file sptab.c.

119 {
120  LARGE_INTEGER SearchFileOffset;
122  SearchFileOffset.QuadPart = ROUND_DOWN(FileOffset->QuadPart,
124  PageTable = RtlLookupElementGenericTable(Table, &SearchFileOffset);
125 
126  DPRINT("MiSectionPageTableGet(%p,%I64x)\n",
127  Table,
128  FileOffset->QuadPart);
129 
130  return PageTable;
131 }
ASMGENDATA Table[]
Definition: genincdata.c:61
static PMEM_HOOK PageTable[TOTAL_PAGES]
Definition: memory.c:40
_Must_inspect_result_ NTSYSAPI PVOID NTAPI RtlLookupElementGenericTable(_In_ PRTL_GENERIC_TABLE Table, _In_ PVOID Buffer)
#define PAGE_SIZE
Definition: env_spec_w32.h:49
#define ROUND_DOWN(n, align)
Definition: eventvwr.h:30
_In_ PFCB _In_ LONGLONG FileOffset
Definition: cdprocs.h:159
#define DPRINT
Definition: sndvol32.h:71
LONGLONG QuadPart
Definition: typedefs.h:114
#define ENTRIES_PER_ELEMENT
Definition: newmm.h:21

Referenced by _MmGetPageEntrySectionSegment(), _MmSetPageEntrySectionSegment(), MiSectionPageTableGetOrAllocate(), and MmSetSectionAssociation().

◆ MiSectionPageTableGetOrAllocate()

static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGetOrAllocate ( PRTL_GENERIC_TABLE  Table,
PLARGE_INTEGER  FileOffset 
)
static

Definition at line 136 of file sptab.c.

138 {
139  LARGE_INTEGER SearchFileOffset;
140  CACHE_SECTION_PAGE_TABLE SectionZeroPageTable;
142  FileOffset);
143  /* Please zero memory when taking away zero initialization. */
144  RtlZeroMemory(&SectionZeroPageTable, sizeof(CACHE_SECTION_PAGE_TABLE));
145  if (!PageTableSlice)
146  {
147  SearchFileOffset.QuadPart = ROUND_DOWN(FileOffset->QuadPart,
149  SectionZeroPageTable.FileOffset = SearchFileOffset;
150  SectionZeroPageTable.Refcount = 1;
151  PageTableSlice = RtlInsertElementGenericTable(Table,
152  &SectionZeroPageTable,
153  sizeof(SectionZeroPageTable),
154  NULL);
155  if (!PageTableSlice) return NULL;
156  DPRINT("Allocate page table %p (%I64x)\n",
157  PageTableSlice,
158  PageTableSlice->FileOffset.QuadPart);
159  }
160  return PageTableSlice;
161 }
ASMGENDATA Table[]
Definition: genincdata.c:61
static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGet(PRTL_GENERIC_TABLE Table, PLARGE_INTEGER FileOffset)
Definition: sptab.c:117
LARGE_INTEGER FileOffset
Definition: newmm.h:27
#define PAGE_SIZE
Definition: env_spec_w32.h:49
#define ROUND_DOWN(n, align)
Definition: eventvwr.h:30
_In_ PFCB _In_ LONGLONG FileOffset
Definition: cdprocs.h:159
#define NULL
Definition: types.h:112
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
#define DPRINT
Definition: sndvol32.h:71
NTSYSAPI PVOID NTAPI RtlInsertElementGenericTable(_In_ PRTL_GENERIC_TABLE Table, _In_reads_bytes_(BufferSize) PVOID Buffer, _In_ CLONG BufferSize, _Out_opt_ PBOOLEAN NewElement)
LONGLONG QuadPart
Definition: typedefs.h:114
#define ENTRIES_PER_ELEMENT
Definition: newmm.h:21

Referenced by _MmSetPageEntrySectionSegment().

◆ MmFreePageTablesSectionSegment()

VOID NTAPI MmFreePageTablesSectionSegment ( PMM_SECTION_SEGMENT  Segment,
FREE_SECTION_PAGE_FUN  FreePage 
)

Definition at line 299 of file sptab.c.

301 {
303  DPRINT("MiFreePageTablesSectionSegment(%p)\n", &Segment->PageTable);
304  while ((Element = RtlGetElementGenericTable(&Segment->PageTable, 0))) {
305  DPRINT("Delete table for <%wZ> %p -> %I64x\n",
306  Segment->FileObject ? &Segment->FileObject->FileName : NULL,
307  Segment,
308  Element->FileOffset.QuadPart);
309  if (FreePage)
310  {
311  ULONG i;
312  for (i = 0; i < ENTRIES_PER_ELEMENT; i++)
313  {
316  Offset.QuadPart = Element->FileOffset.QuadPart + i * PAGE_SIZE;
317  Entry = Element->PageEntries[i];
318  if (Entry && !IS_SWAP_FROM_SSE(Entry))
319  {
320  DPRINT("Freeing page %p:%Ix @ %I64x\n",
321  Segment,
322  Entry,
323  Offset.QuadPart);
324 
326  }
327  }
328  }
329  DPRINT("Remove memory\n");
330  RtlDeleteElementGenericTable(&Segment->PageTable, Element);
331  }
332  DPRINT("Done\n");
333 }
struct _Entry Entry
Definition: kefuncs.h:627
uint32_t ULONG_PTR
Definition: typedefs.h:65
ULONG_PTR PageEntries[ENTRIES_PER_ELEMENT]
Definition: newmm.h:30
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
_Must_inspect_result_ NTSYSAPI PVOID NTAPI RtlGetElementGenericTable(_In_ PRTL_GENERIC_TABLE Table, _In_ ULONG I)
LARGE_INTEGER FileOffset
Definition: newmm.h:27
#define PAGE_SIZE
Definition: env_spec_w32.h:49
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
NTSYSAPI BOOLEAN NTAPI RtlDeleteElementGenericTable(_In_ PRTL_GENERIC_TABLE Table, _In_ PVOID Buffer)
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define IS_SWAP_FROM_SSE(E)
Definition: mm.h:1260
#define NULL
Definition: types.h:112
unsigned int ULONG
Definition: retypes.h:1
#define DPRINT
Definition: sndvol32.h:71
base of all file and directory entries
Definition: entries.h:82
LONGLONG QuadPart
Definition: typedefs.h:114
#define ENTRIES_PER_ELEMENT
Definition: newmm.h:21

Referenced by MmDereferenceSegment().

◆ MmGetSectionAssociation()

PMM_SECTION_SEGMENT NTAPI MmGetSectionAssociation ( PFN_NUMBER  Page,
PLARGE_INTEGER  Offset 
)

Definition at line 352 of file sptab.c.

354 {
355  ULONG RawOffset;
358 
359  PageTable = MmGetSegmentRmap(Page, &RawOffset);
360  if (PageTable)
361  {
362  Segment = PageTable->Segment;
363  Offset->QuadPart = PageTable->FileOffset.QuadPart +
364  ((ULONG64)RawOffset << PAGE_SHIFT);
365  ASSERT(PFN_FROM_SSE(PageTable->PageEntries[RawOffset]) == Page);
366  }
367 
368  return Segment;
369 }
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
PVOID NTAPI MmGetSegmentRmap(PFN_NUMBER Page, PULONG RawOffset)
Definition: rmap.c:459
static PMEM_HOOK PageTable[TOTAL_PAGES]
Definition: memory.c:40
#define PFN_FROM_SSE(E)
Definition: mm.h:1259
PFN_NUMBER Page
Definition: section.c:4756
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
#define ASSERT(a)
Definition: mode.c:45
unsigned __int64 ULONG64
Definition: imports.h:198
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
#define NULL
Definition: types.h:112
unsigned int ULONG
Definition: retypes.h:1

Referenced by MiShutdownSystem(), MmPageOutPhysicalAddress(), and MmpPageOutPhysicalAddress().

◆ MmSetSectionAssociation()

NTSTATUS NTAPI MmSetSectionAssociation ( PFN_NUMBER  Page,
PMM_SECTION_SEGMENT  Segment,
PLARGE_INTEGER  Offset 
)

Definition at line 373 of file sptab.c.

376 {
378  ULONG ActualOffset;
379 
381  ASSERT(PageTable);
382 
383  ActualOffset = (ULONG)(Offset->QuadPart - PageTable->FileOffset.QuadPart);
386  (PVOID)(RMAP_SEGMENT_MASK | (ActualOffset >> PAGE_SHIFT)));
387 
388  return STATUS_SUCCESS;
389 }
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
VOID NTAPI MmInsertRmap(PFN_NUMBER Page, struct _EPROCESS *Process, PVOID Address)
static PMEM_HOOK PageTable[TOTAL_PAGES]
Definition: memory.c:40
static PCACHE_SECTION_PAGE_TABLE NTAPI MiSectionPageTableGet(PRTL_GENERIC_TABLE Table, PLARGE_INTEGER FileOffset)
Definition: sptab.c:117
PFN_NUMBER Page
Definition: section.c:4756
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
#define ASSERT(a)
Definition: mode.c:45
#define RMAP_SEGMENT_MASK
Definition: mm.h:864
_In_ ULONG _In_ ULONG Offset
Definition: ntddpcm.h:101
unsigned int ULONG
Definition: retypes.h:1
#define STATUS_SUCCESS
Definition: shellext.h:65

Referenced by _MmSetPageEntrySectionSegment().

Variable Documentation

◆ MiSectionPageTableLock

KSPIN_LOCK MiSectionPageTableLock