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[NTOS:MM] Add some DPRINTs when incrementing or decrementing PFN share count

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Jérôme Gardou 2021-05-26 10:20:57 +02:00 committed by Jérôme Gardou
parent a80ae8f2ea
commit 8bfba59b3e
1 changed files with 11 additions and 0 deletions
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11
ntoskrnl/mm/ARM3/pfnlist.c
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@ -978,6 +978,8 @@ MiInitializePfn(IN PFN_NUMBER PageFrameIndex,
Pfn1 = MI_PFN_ELEMENT(PageFrameIndex);
Pfn1->PteAddress = PointerPte;
DPRINT("Called for %p from %p\n", Pfn1, _ReturnAddress());
/* Check if this PFN is part of a valid address space */
if (PointerPte->u.Hard.Valid == 1)
{
@ -1049,6 +1051,8 @@ MiInitializePfnAndMakePteValid(IN PFN_NUMBER PageFrameIndex,
Pfn1->PteAddress = PointerPte;
Pfn1->OriginalPte = DemandZeroPte;
DPRINT("Incrementing %p from %p\n", Pfn1, _ReturnAddress());
/* Otherwise this is a fresh page -- set it up */
ASSERT(Pfn1->u3.e2.ReferenceCount == 0);
Pfn1->u3.e2.ReferenceCount++;
@ -1082,6 +1086,7 @@ MiInitializePfnAndMakePteValid(IN PFN_NUMBER PageFrameIndex,
/* Increase its share count so we don't get rid of it */
Pfn1 = MI_PFN_ELEMENT(PageFrameIndex);
Pfn1->u2.ShareCount++;
DPRINT("Incrementing %p from %p\n", Pfn1, _ReturnAddress());
/* Write valid PTE */
MI_WRITE_VALID_PTE(PointerPte, TempPte);
@ -1140,6 +1145,8 @@ MiDecrementShareCount(IN PMMPFN Pfn1,
ASSERT(Pfn1 == MI_PFN_ELEMENT(PageFrameIndex));
ASSERT(MI_IS_ROS_PFN(Pfn1) == FALSE);
DPRINT("Decrementing %p from %p\n", Pfn1, _ReturnAddress());
/* Page must be in-use */
if ((Pfn1->u3.e1.PageLocation != ActiveAndValid) &&
(Pfn1->u3.e1.PageLocation != StandbyPageList))
@ -1289,6 +1296,8 @@ MiInitializePfnForOtherProcess(IN PFN_NUMBER PageFrameIndex,
/* Make this a software PTE */
MI_MAKE_SOFTWARE_PTE(&Pfn1->OriginalPte, MM_READWRITE);
DPRINT("Called for %p from %p\n", Pfn1, _ReturnAddress());
/* Setup the page */
ASSERT(Pfn1->u3.e2.ReferenceCount == 0);
Pfn1->u3.e2.ReferenceCount = 1;
@ -1305,6 +1314,8 @@ MiInitializePfnForOtherProcess(IN PFN_NUMBER PageFrameIndex,
/* Increase its share count so we don't get rid of it */
Pfn1 = MI_PFN_ELEMENT(PteFrame);
DPRINT("Incrementing %p from %p\n", Pfn1, _ReturnAddress());
Pfn1->u2.ShareCount++;
}
}