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More swapping fixes

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svn path=/trunk/; revision=2495
This commit is contained in:
David Welch 2002-01-09 03:00:21 +00:00
parent 3a8ce6bf63
commit fe7d926068
4 changed files with 39 additions and 17 deletions
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8
reactos/ntoskrnl/ke/dpc.c
View file

@ -18,7 +18,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: dpc.c,v 1.21 2001/04/03 17:25:49 dwelch Exp $
/* $Id: dpc.c,v 1.22 2002/01/09 03:00:20 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -136,8 +136,8 @@ KeRemoveQueueDpc (PKDPC Dpc)
{
KIRQL oldIrql;
KeAcquireSpinLockAtDpcLevel( &DpcQueueLock );
KeRaiseIrql( HIGH_LEVEL, &oldIrql );
KeAcquireSpinLockAtDpcLevel(&DpcQueueLock);
KeRaiseIrql(HIGH_LEVEL, &oldIrql);
if (!Dpc->Lock)
{
KeReleaseSpinLock(&DpcQueueLock, oldIrql);
@ -178,7 +178,7 @@ KeInsertQueueDpc (PKDPC Dpc,
{
return(FALSE);
}
KeRaiseIrql( HIGH_LEVEL, &oldlvl );
KeRaiseIrql(HIGH_LEVEL, &oldlvl);
KeAcquireSpinLockAtDpcLevel(&DpcQueueLock);
InsertHeadList(&DpcQueueHead,&Dpc->DpcListEntry);
DPRINT("Dpc->DpcListEntry.Flink %x\n", Dpc->DpcListEntry.Flink);

8
reactos/ntoskrnl/mm/pageop.c
View file

@ -1,4 +1,4 @@
/* $Id: pageop.c,v 1.5 2001/04/04 22:21:31 dwelch Exp $
/* $Id: pageop.c,v 1.6 2002/01/09 03:00:21 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -23,7 +23,7 @@
#define PAGEOP_HASH_TABLE_SIZE (32)
KSPIN_LOCK MmPageOpHashTableLock;
PMM_PAGEOP MmPageOpHashTable[PAGEOP_HASH_TABLE_SIZE];
PMM_PAGEOP MmPageOpHashTable[PAGEOP_HASH_TABLE_SIZE] = {NULL, } ;
#define TAG_MM_PAGEOP TAG('M', 'P', 'O', 'P')
@ -38,13 +38,13 @@ MmReleasePageOp(PMM_PAGEOP PageOp)
KIRQL oldIrql;
PMM_PAGEOP PrevPageOp;
KeAcquireSpinLock(&MmPageOpHashTableLock, &oldIrql);
PageOp->ReferenceCount--;
if (PageOp->ReferenceCount > 0)
{
KeReleaseSpinLock(&MmPageOpHashTableLock, oldIrql);
return;
}
KeAcquireSpinLock(&MmPageOpHashTableLock, &oldIrql);
PrevPageOp = MmPageOpHashTable[PageOp->Hash];
if (PrevPageOp == PageOp)
{

28
reactos/ntoskrnl/mm/section.c
View file

@ -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 1.75 2002/01/08 00:49:00 dwelch Exp $
/* $Id: section.c,v 1.76 2002/01/09 03:00:21 dwelch Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/section.c
@ -1226,7 +1226,8 @@ MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
Context.Segment = Segment;
Context.Offset = Offset;
Context.WasDirty = FALSE;
if (IS_SWAP_FROM_SSE(Entry) ||
if (Segment->Characteristics & IMAGE_SECTION_CHAR_BSS ||
IS_SWAP_FROM_SSE(Entry) ||
(PVOID)(PAGE_FROM_SSE(Entry)) != PhysicalAddress)
{
Context.Private = Private = TRUE;
@ -1319,7 +1320,8 @@ MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
}
if (Private)
{
if (SwapEntry == 0)
if (!(Segment->Characteristics & IMAGE_SECTION_CHAR_BSS) &&
SwapEntry == 0)
{
DPRINT1("Private page, non-dirty but not swapped out "
"process %d address 0x%.8X\n",
@ -1396,6 +1398,9 @@ MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
(ULONG)PhysicalAddress,
FALSE);
MmSetDirtyPage(MemoryArea->Process, Address);
MmInsertRmap(PhysicalAddress,
MemoryArea->Process,
Address);
MmSetPageEntrySectionSegment(Segment, Offset.QuadPart,
(ULONG)PhysicalAddress);
MmSharePageEntrySectionSegment(Segment, Offset.QuadPart);
@ -1441,6 +1446,9 @@ MmPageOutSectionView(PMADDRESS_SPACE AddressSpace,
(ULONG)PhysicalAddress,
FALSE);
MmSetDirtyPage(MemoryArea->Process, Address);
MmInsertRmap(PhysicalAddress,
MemoryArea->Process,
Address);
MmSetPageEntrySectionSegment(Segment, Offset.QuadPart,
(ULONG)PhysicalAddress);
MmSharePageEntrySectionSegment(Segment, Offset.QuadPart);
@ -2579,11 +2587,15 @@ MmFreeSectionPage(PVOID Context, MEMORY_AREA* MemoryArea, PVOID Address, ULONG P
Entry = MmGetPageEntrySectionSegment(MArea->Data.SectionData.Segment,
Offset);
/*
* Just dereference private pages
*/
if (PhysAddr != (Entry & 0xFFFFF000))
{
if (IS_SWAP_FROM_SSE(Entry))
{
KeBugCheck(0);
}
else if (PhysAddr != (PAGE_FROM_SSE(Entry)))
{
/*
* Just dereference private pages
*/
MmDeleteRmap((PVOID)PhysAddr, MArea->Process, Address);
MmDereferencePage((PVOID)PhysAddr);
}

12
reactos/ntoskrnl/mm/virtual.c
View file

@ -1,4 +1,4 @@
/* $Id: virtual.c,v 1.54 2002/01/08 00:49:01 dwelch Exp $
/* $Id: virtual.c,v 1.55 2002/01/09 03:00:21 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top directory
* PROJECT: ReactOS kernel
@ -119,6 +119,11 @@ MmPageOutVirtualMemory(PMADDRESS_SPACE AddressSpace,
MmDeleteVirtualMapping(MemoryArea->Process, Address, FALSE,
NULL, (PULONG)&PhysicalAddress);
MmDeleteAllRmaps(PhysicalAddress, NULL, NULL);
if (MmGetSavedSwapEntryPage(PhysicalAddress) != 0)
{
DPRINT1("Read-only page was swapped out.\n");
KeBugCheck(0);
}
MmReleasePageMemoryConsumer(MC_USER, PhysicalAddress);
PageOp->Status = STATUS_SUCCESS;
@ -140,6 +145,11 @@ MmPageOutVirtualMemory(PMADDRESS_SPACE AddressSpace,
{
MmDeleteVirtualMapping(MemoryArea->Process, Address, FALSE, NULL, NULL);
MmDeleteAllRmaps(PhysicalAddress, NULL, NULL);
if ((SwapEntry = MmGetSavedSwapEntryPage(PhysicalAddress)) != 0)
{
MmCreatePageFileMapping(MemoryArea->Process, Address, SwapEntry);
MmSetSavedSwapEntryPage(PhysicalAddress, 0);
}
MmReleasePageMemoryConsumer(MC_USER, PhysicalAddress);
PageOp->Status = STATUS_SUCCESS;
KeSetEvent(&PageOp->CompletionEvent, IO_NO_INCREMENT, FALSE);