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[NTOSKRNL]

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- Add missing user PFN bitmap locking in MmRemoveLRUUserPage

svn path=/trunk/; revision=54531
This commit is contained in:
Cameron Gutman 2011-11-29 04:22:51 +00:00
parent 11b737b0e8
commit 63db6b034d
1 changed files with 4 additions and 0 deletions
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4
reactos/ntoskrnl/mm/freelist.c
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@ -121,11 +121,15 @@ VOID
NTAPI NTAPI
MmRemoveLRUUserPage(PFN_NUMBER Page) MmRemoveLRUUserPage(PFN_NUMBER Page)
{ {
KIRQL OldIrql;
/* Unset the page as a user page */ /* Unset the page as a user page */
ASSERT(Page != 0); ASSERT(Page != 0);
ASSERT_IS_ROS_PFN(MiGetPfnEntry(Page)); ASSERT_IS_ROS_PFN(MiGetPfnEntry(Page));
ASSERT(RtlCheckBit(&MiUserPfnBitMap, (ULONG)Page)); ASSERT(RtlCheckBit(&MiUserPfnBitMap, (ULONG)Page));
OldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);
RtlClearBit(&MiUserPfnBitMap, (ULONG)Page); RtlClearBit(&MiUserPfnBitMap, (ULONG)Page);
KeReleaseQueuedSpinLock(LockQueuePfnLock, OldIrql);
} }
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