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[NTOSKRNL]

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Add an MMVAD to the MEMORY_AREA structure, instead of allocating a new one to synchronize with the process VAD tree

svn path=/trunk/; revision=67787
This commit is contained in:
Timo Kreuzer 2015-05-16 20:10:41 +00:00
parent 5280b4e3c6
commit 595df76091
2 changed files with 3 additions and 3 deletions
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1
reactos/ntoskrnl/include/internal/mm.h
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@ -204,6 +204,7 @@ typedef struct _ROS_SECTION_OBJECT
typedef struct _MEMORY_AREA typedef struct _MEMORY_AREA
{ {
MMVAD VadNode;
ULONG_PTR StartingVpn; ULONG_PTR StartingVpn;
ULONG_PTR EndingVpn; ULONG_PTR EndingVpn;
struct _MEMORY_AREA *Parent; struct _MEMORY_AREA *Parent;

5
reactos/ntoskrnl/mm/marea.c
View file

@ -384,8 +384,8 @@ MmInsertMemoryArea(
PMMVAD Vad; PMMVAD Vad;
ASSERT(marea->Type == MEMORY_AREA_SECTION_VIEW || marea->Type == MEMORY_AREA_CACHE); ASSERT(marea->Type == MEMORY_AREA_SECTION_VIEW || marea->Type == MEMORY_AREA_CACHE);
Vad = ExAllocatePoolWithTag(NonPagedPool, sizeof(MMVAD), TAG_MVAD); Vad = &marea->VadNode;
ASSERT(Vad);
RtlZeroMemory(Vad, sizeof(MMVAD)); RtlZeroMemory(Vad, sizeof(MMVAD));
Vad->StartingVpn = PAGE_ROUND_DOWN(MA_GetStartingAddress(marea)) >> PAGE_SHIFT; Vad->StartingVpn = PAGE_ROUND_DOWN(MA_GetStartingAddress(marea)) >> PAGE_SHIFT;
/* /*
@ -825,7 +825,6 @@ MmFreeMemoryArea(
MiRemoveNode(MemoryArea->Vad, &Process->VadRoot); MiRemoveNode(MemoryArea->Vad, &Process->VadRoot);
} }
ExFreePoolWithTag(MemoryArea->Vad, TAG_MVAD);
MemoryArea->Vad = NULL; MemoryArea->Vad = NULL;
} }
} }