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- Added a missing check for a valid swap entry in MmPageOutSectionView.

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svn path=/trunk/; revision=6403
This commit is contained in:
Hartmut Birr 2003-10-22 18:20:38 +00:00
parent 7cb9ea96db
commit e80fcc0855
1 changed files with 12 additions and 9 deletions
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21
reactos/ntoskrnl/mm/section.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: section.c,v 1.132 2003/10/19 17:33:32 ekohl Exp $
/* $Id: section.c,v 1.133 2003/10/22 18:20:38 hbirr Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/section.c
@ -1536,7 +1536,6 @@ MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
{
if (Context.Private)
{
MmSetSavedSwapEntryPage(PhysicalAddress, 0);
if (!(Context.Segment->Characteristics & IMAGE_SECTION_CHAR_BSS) &&
SwapEntry == 0)
{
@ -1548,12 +1547,16 @@ MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
}
else
{
Status = MmCreatePageFileMapping(AddressSpace->Process,
Address,
SwapEntry);
if (!NT_SUCCESS(Status))
{
KEBUGCHECK(0);
if (SwapEntry != 0)
{
MmSetSavedSwapEntryPage(PhysicalAddress, 0);
Status = MmCreatePageFileMapping(AddressSpace->Process,
Address,
SwapEntry);
if (!NT_SUCCESS(Status))
{
KEBUGCHECK(0);
}
}
}
}
@ -1845,6 +1848,7 @@ MmWritePageSectionView(PMADDRESS_SPACE AddressSpace,
MmReleasePageOp(PageOp);
return(STATUS_PAGEFILE_QUOTA);
}
MmSetSavedSwapEntryPage(PhysicalAddress, SwapEntry);
}
/*
@ -1868,7 +1872,6 @@ MmWritePageSectionView(PMADDRESS_SPACE AddressSpace,
* Otherwise we have succeeded.
*/
DPRINT("MM: Wrote section page 0x%.8X to swap!\n", PhysicalAddress);
MmSetSavedSwapEntryPage(PhysicalAddress, SwapEntry);
PageOp->Status = STATUS_SUCCESS;
KeSetEvent(&PageOp->CompletionEvent, IO_NO_INCREMENT, FALSE);
MmReleasePageOp(PageOp);