ReactOS  0.4.15-dev-2985-g54406bf
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 266 of file sptab.c.

270 {
272  ULONG_PTR PageIndex, Result;
274 
275  ASSERT(Segment->Locked);
276  FileOffset.QuadPart = ROUND_DOWN(Offset->QuadPart,
279  if (!PageTable) return 0;
280  PageIndex = (ULONG_PTR)((Offset->QuadPart - PageTable->FileOffset.QuadPart) / PAGE_SIZE);
281  Result = PageTable->PageEntries[PageIndex];
282 #if 0
283  DPRINTC
284  ("MiGetPageEntrySectionSegment(%p,%08x%08x) => %x %s:%d\n",
285  Segment,
286  FileOffset.u.HighPart,
287  FileOffset.u.LowPart + PageIndex * PAGE_SIZE,
288  Result,
289  file, line);
290 #endif
291  return Result;
292 }
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:44
#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  /* Manage ref on segment */
208  if (Entry && !OldEntry)
209  {
210  InterlockedIncrement64(Segment->ReferenceCount);
211  }
212  if (OldEntry && !Entry)
213  {
214  MmDereferenceSegment(Segment);
215  }
216 
217  if (Entry && !IS_SWAP_FROM_SSE(Entry))
218  {
219  /* We have a valid entry. See if we must do something */
220  if (OldEntry && !IS_SWAP_FROM_SSE(OldEntry))
221  {
222  /* The previous entry was valid. Shall we swap the Rmaps ? */
223  if (PFN_FROM_SSE(Entry) != PFN_FROM_SSE(OldEntry))
224  {
227  }
228  }
229  else
230  {
231  /*
232  * We're switching to a valid entry from an invalid one.
233  * Add the Rmap and take a ref on the segment.
234  */
236 
237  if (Offset->QuadPart >= (Segment->LastPage << PAGE_SHIFT))
238  Segment->LastPage = (Offset->QuadPart >> PAGE_SHIFT) + 1;
239  }
240  }
241  else if (OldEntry && !IS_SWAP_FROM_SSE(OldEntry))
242  {
243  /* We're switching to an invalid entry from a valid one */
245 
246  if (Offset->QuadPart == ((Segment->LastPage - 1ULL) << PAGE_SHIFT))
247  {
248  /* We are unsetting the last page */
249  while (--Segment->LastPage)
250  {
251  LARGE_INTEGER CheckOffset;
252  CheckOffset.QuadPart = (Segment->LastPage - 1) << PAGE_SHIFT;
254  if ((Entry != 0) && !IS_SWAP_FROM_SSE(Entry))
255  break;
256  }
257  }
258  }
259 
260  PageTable->PageEntries[PageIndex] = Entry;
261  return STATUS_SUCCESS;
262 }
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
#define MmGetPageEntrySectionSegment(S, O)
Definition: mm.h:1538
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:1304
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:1313
VOID NTAPI MmDeleteSectionAssociation(PFN_NUMBER Page)
Definition: rmap.c:495
#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:44
NTSTATUS NTAPI MmSetSectionAssociation(PFN_NUMBER Page, PMM_SECTION_SEGMENT Segment, PLARGE_INTEGER Offset)
Definition: sptab.c:382
#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:1305
#define STATUS_NO_MEMORY
Definition: ntstatus.h:260
#define ULONG_PTR
Definition: config.h:101
#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 307 of file sptab.c.

309 {
311  DPRINT("MiFreePageTablesSectionSegment(%p)\n", &Segment->PageTable);
312  while ((Element = RtlGetElementGenericTable(&Segment->PageTable, 0))) {
313  DPRINT("Delete table for <%wZ> %p -> %I64x\n",
314  Segment->FileObject ? &Segment->FileObject->FileName : NULL,
315  Segment,
316  Element->FileOffset.QuadPart);
317  if (FreePage)
318  {
319  ULONG i;
320  for (i = 0; i < ENTRIES_PER_ELEMENT; i++)
321  {
324  Offset.QuadPart = Element->FileOffset.QuadPart + i * PAGE_SIZE;
325  Entry = Element->PageEntries[i];
326  if (Entry && !IS_SWAP_FROM_SSE(Entry))
327  {
328  DPRINT("Freeing page %p:%Ix @ %I64x\n",
329  Segment,
330  Entry,
331  Offset.QuadPart);
332 
334  }
335  }
336  }
337  DPRINT("Remove memory\n");
338  RtlDeleteElementGenericTable(&Segment->PageTable, Element);
339  }
340  DPRINT("Done\n");
341 }
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:1305
#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 _When_().

◆ MmGetSectionAssociation()

PMM_SECTION_SEGMENT NTAPI MmGetSectionAssociation ( PFN_NUMBER  Page,
PLARGE_INTEGER  Offset 
)

Definition at line 360 of file sptab.c.

362 {
363  ULONG RawOffset;
366 
367  PageTable = MmGetSegmentRmap(Page, &RawOffset);
368  if (PageTable)
369  {
370  Segment = PageTable->Segment;
371  Offset->QuadPart = PageTable->FileOffset.QuadPart +
372  ((ULONG64)RawOffset << PAGE_SHIFT);
373  ASSERT(PFN_FROM_SSE(PageTable->PageEntries[RawOffset]) == Page);
374  InterlockedIncrement64(Segment->ReferenceCount);
375  }
376 
377  return Segment;
378 }
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
PVOID NTAPI MmGetSegmentRmap(PFN_NUMBER Page, PULONG RawOffset)
Definition: rmap.c:458
static PMEM_HOOK PageTable[TOTAL_PAGES]
Definition: memory.c:40
#define PFN_FROM_SSE(E)
Definition: mm.h:1304
PFN_NUMBER Page
Definition: section.c:4888
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
#define InterlockedIncrement64
Definition: interlocked.h:211
#define ASSERT(a)
Definition: mode.c:44
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 382 of file sptab.c.

385 {
387  ULONG ActualOffset;
388 
390  ASSERT(PageTable);
391 
392  ActualOffset = (ULONG)(Offset->QuadPart - PageTable->FileOffset.QuadPart);
395  (PVOID)(RMAP_SEGMENT_MASK | (ActualOffset >> PAGE_SHIFT)));
396 
397  return STATUS_SUCCESS;
398 }
#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:4888
_Inout_ PVOID Segment
Definition: exfuncs.h:1101
#define ASSERT(a)
Definition: mode.c:44
#define RMAP_SEGMENT_MASK
Definition: mm.h:892
_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