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- Do only lock a new page on exit from AccessFaultSectionView.

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svn path=/trunk/; revision=7933
This commit is contained in:
Hartmut Birr 2004-01-31 00:16:55 +00:00
parent dab0a77461
commit 9ac2b2c62c
1 changed files with 3 additions and 15 deletions
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18
reactos/ntoskrnl/mm/section.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: section.c,v 1.143 2004/01/30 23:57:58 hbirr Exp $ /* $Id: section.c,v 1.144 2004/01/31 00:16:55 hbirr Exp $
* *
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/section.c * FILE: ntoskrnl/mm/section.c
@ -1223,19 +1223,11 @@ MmAccessFaultSectionView(PMADDRESS_SPACE AddressSpace,
/* /*
* Check if the page has been paged out or has already been set readwrite * Check if the page has been paged out or has already been set readwrite
*/ */
if (!MmIsPagePresent(AddressSpace->Process, Address)) if (!MmIsPagePresent(AddressSpace->Process, Address) ||
MmGetPageProtect(AddressSpace->Process, Address) & PAGE_READWRITE)
{ {
DPRINT("Address 0x%.8X\n", Address); DPRINT("Address 0x%.8X\n", Address);
return(STATUS_SUCCESS); return(STATUS_SUCCESS);
}
if (MmGetPageProtect(AddressSpace->Process, Address) & PAGE_READWRITE)
{
DPRINT("Address 0x%.8X\n", Address);
if (Locked)
{
MmLockPage(MmGetPhysicalAddressForProcess(AddressSpace->Process, Address));
}
return(STATUS_SUCCESS);
} }
/* /*
@ -1275,10 +1267,6 @@ MmAccessFaultSectionView(PMADDRESS_SPACE AddressSpace,
{ {
/* This is a private page. We must only change the page protection. */ /* This is a private page. We must only change the page protection. */
MmSetPageProtect(AddressSpace->Process, (PVOID)PAddress, Region->Protect); MmSetPageProtect(AddressSpace->Process, (PVOID)PAddress, Region->Protect);
if (Locked)
{
MmLockPage(OldPage);
}
return(STATUS_SUCCESS); return(STATUS_SUCCESS);
} }