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[NTOSKRNL]

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- Change MmDereferencePage to MmReleasePageMemoryConsumer to do proper page usage tracking
- Remove an unnecessary reference and dereference

svn path=/trunk/; revision=55897
This commit is contained in:
Cameron Gutman 2012-02-28 08:34:16 +00:00
parent 3998099eae
commit 24264b8dc2
2 changed files with 4 additions and 7 deletions
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2
reactos/ntoskrnl/cache/section/data.c vendored
View file

@ -278,7 +278,7 @@ _MiFlushMappedSection
&Segment->FileObject->FileName, &Segment->FileObject->FileName,
Status); Status);
} }
MmDereferencePage(Page); MmReleasePageMemoryConsumer(MC_CACHE, Page);
} }
} }

9
reactos/ntoskrnl/cache/section/swapout.c vendored
View file

@ -157,11 +157,10 @@ MmFinalizeSectionPageOut
{ {
DPRINT("Removing page %x for real\n", Page); DPRINT("Removing page %x for real\n", Page);
MmSetSavedSwapEntryPage(Page, 0); MmSetSavedSwapEntryPage(Page, 0);
// Note: the other one is held by MmTrimUserMemory if (MmGetReferenceCountPage(Page) != 1) {
if (MmGetReferenceCountPage(Page) != 2) {
DPRINT1("ALERT: Page %x about to be evicted with ref count %d\n", Page, MmGetReferenceCountPage(Page)); DPRINT1("ALERT: Page %x about to be evicted with ref count %d\n", Page, MmGetReferenceCountPage(Page));
} }
MmDereferencePage(Page); MmReleasePageMemoryConsumer(MC_CACHE, Page);
} }
MmUnlockSectionSegment(Segment); MmUnlockSectionSegment(Segment);
@ -216,7 +215,7 @@ MmPageOutCacheSection
if (NT_SUCCESS(Status)) if (NT_SUCCESS(Status))
{ {
MmDereferencePage(Required->Page[0]); MmReleasePageMemoryConsumer(MC_CACHE, Required->Page[0]);
} }
MmUnlockSectionSegment(Segment); MmUnlockSectionSegment(Segment);
@ -461,13 +460,11 @@ MiCacheEvictPages(PMM_SECTION_SEGMENT Segment, ULONG Target)
Entry = MmGetPageEntrySectionSegment(Segment, &Offset); Entry = MmGetPageEntrySectionSegment(Segment, &Offset);
if (Entry && !IS_SWAP_FROM_SSE(Entry)) { if (Entry && !IS_SWAP_FROM_SSE(Entry)) {
Page = PFN_FROM_SSE(Entry); Page = PFN_FROM_SSE(Entry);
MmReferencePage(Page);
MmUnlockSectionSegment(Segment); MmUnlockSectionSegment(Segment);
Status = MmpPageOutPhysicalAddress(Page); Status = MmpPageOutPhysicalAddress(Page);
if (NT_SUCCESS(Status)) if (NT_SUCCESS(Status))
Result++; Result++;
MmLockSectionSegment(Segment); MmLockSectionSegment(Segment);
MmReleasePageMemoryConsumer(MC_CACHE, Page);
} }
} }
} }