https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8bfba59b3eaabdffd8cafbb87b5492f77b17605e
commit 8bfba59b3eaabdffd8cafbb87b5492f77b17605e Author: Jérôme Gardou <[email protected]> AuthorDate: Wed May 26 10:20:57 2021 +0200 Commit: Jérôme Gardou <[email protected]> CommitDate: Wed Jun 9 11:27:18 2021 +0200 [NTOS:MM] Add some DPRINTs when incrementing or decrementing PFN share count --- ntoskrnl/mm/ARM3/pfnlist.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/ntoskrnl/mm/ARM3/pfnlist.c b/ntoskrnl/mm/ARM3/pfnlist.c index a75f2194396..b9838f29602 100644 --- a/ntoskrnl/mm/ARM3/pfnlist.c +++ b/ntoskrnl/mm/ARM3/pfnlist.c @@ -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++; } }
