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[NTOS:MM]

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- Print some debug information on assertion failures in MiDecrementReferenceCount.
CORE-6690

svn path=/trunk/; revision=60502
This commit is contained in:
Thomas Faber 2013-10-01 17:51:38 +00:00
parent 2a0449a453
commit 2bcc09b5e0
1 changed files with 12 additions and 3 deletions
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15
reactos/ntoskrnl/mm/ARM3/pfnlist.c
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@ -1308,9 +1308,18 @@ MiDecrementReferenceCount(IN PMMPFN Pfn1,
ASSERT(KeGetCurrentIrql() == DISPATCH_LEVEL);
/* Sanity checks on the page */
ASSERT(PageFrameIndex < MmHighestPhysicalPage);
ASSERT(Pfn1 == MI_PFN_ELEMENT(PageFrameIndex));
ASSERT(Pfn1->u3.e2.ReferenceCount != 0);
if (PageFrameIndex >= MmHighestPhysicalPage ||
Pfn1 != MI_PFN_ELEMENT(PageFrameIndex) ||
Pfn1->u3.e2.ReferenceCount == 0 ||
Pfn1->u3.e2.ReferenceCount >= 2500)
{
DPRINT1("PageFrameIndex=0x%lx, MmHighestPhysicalPage=0x%lx\n", PageFrameIndex, MmHighestPhysicalPage);
DPRINT1("Pfn1=%p, Element=%p, RefCount=%u\n", Pfn1, MI_PFN_ELEMENT(PageFrameIndex), Pfn1->u3.e2.ReferenceCount);
ASSERT(PageFrameIndex < MmHighestPhysicalPage);
ASSERT(Pfn1 == MI_PFN_ELEMENT(PageFrameIndex));
ASSERT(Pfn1->u3.e2.ReferenceCount != 0);
ASSERT(Pfn1->u3.e2.ReferenceCount < 2500);
}
/* Dereference the page, bail out if it's still alive */
InterlockedDecrement16((PSHORT)&Pfn1->u3.e2.ReferenceCount);