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- Check for a non existing memory area.

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- Check if the memory area would be deleted.
- Allow to page out section pages which are mapped from cache.

svn path=/trunk/; revision=5135
This commit is contained in:
Hartmut Birr 2003-07-15 19:31:27 +00:00
parent e6d3e40053
commit 067fe9985c
1 changed files with 13 additions and 3 deletions
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16
reactos/ntoskrnl/mm/rmap.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: rmap.c,v 1.19 2003/06/27 21:28:30 hbirr Exp $
/* $Id: rmap.c,v 1.20 2003/07/15 19:31:27 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top directory
* PROJECT: ReactOS kernel
@ -120,7 +120,7 @@ MmWritePagePhysicalAddress(PHYSICAL_ADDRESS PhysicalAddress)
*/
MmLockAddressSpace(AddressSpace);
MemoryArea = MmOpenMemoryAreaByAddress(AddressSpace, Address);
if (MemoryArea == NULL)
if (MemoryArea == NULL || MemoryArea->DeleteInProgress)
{
MmUnlockAddressSpace(AddressSpace);
if (Address < (PVOID)KERNEL_BASE)
@ -259,6 +259,15 @@ MmPageOutPhysicalAddress(PHYSICAL_ADDRESS PhysicalAddress)
MmLockAddressSpace(AddressSpace);
MemoryArea = MmOpenMemoryAreaByAddress(AddressSpace, Address);
if (MemoryArea == NULL || MemoryArea->DeleteInProgress)
{
MmUnlockAddressSpace(AddressSpace);
if (Address < (PVOID)KERNEL_BASE)
{
ObDereferenceObject(Process);
}
return(STATUS_UNSUCCESSFUL);
}
Type = MemoryArea->Type;
if (Type == MEMORY_AREA_SECTION_VIEW)
{
@ -298,7 +307,8 @@ MmPageOutPhysicalAddress(PHYSICAL_ADDRESS PhysicalAddress)
Status = MmPageOutSectionView(AddressSpace, MemoryArea,
Address, PageOp);
}
else if (Type == MEMORY_AREA_VIRTUAL_MEMORY)
else if (Type == MEMORY_AREA_VIRTUAL_MEMORY ||
Type == MEMORY_AREA_CACHE_SEGMENT)
{
PageOp = MmGetPageOp(MemoryArea, Address < (PVOID)KERNEL_BASE ? Process->UniqueProcessId : 0,
Address, NULL, 0, MM_PAGEOP_PAGEOUT);