Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-07-05 04:06:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

- Merge Arty's Mm Page Referencing patch. I was able to complete first-stage setup (albeit only on the second try) and booting to second stage (after three tries). There are still freelist.c bugchecks but this patch is defintely a step in the right direction.

Browse source 
svn path=/trunk/; revision=25656
This commit is contained in:
Alex Ionescu 2007-01-28 16:23:52 +00:00
parent 4d0c1a2de3
commit 0d65391a4f
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

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

@ -479,7 +479,9 @@ MmInitializePageList(ULONG_PTR FirstPhysKernelAddress,
MmPageArray[j].Flags.Type = MM_PHYSICAL_PAGE_USED;
MmPageArray[j].Flags.Zero = 0;
MmPageArray[j].Flags.Consumer = MC_NPPOOL;
MmPageArray[j].ReferenceCount = 1;
/* Reference count 2, because we're having ReferenceCount track
MapCount as well. */
MmPageArray[j].ReferenceCount = 2;
MmPageArray[j].MapCount = 1;
InsertTailList(&UsedPageListHeads[MC_NPPOOL],
&MmPageArray[j].ListEntry);
@ -519,7 +521,7 @@ MmInitializePageList(ULONG_PTR FirstPhysKernelAddress,
MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_USED;
MmPageArray[i].Flags.Zero = 0;
MmPageArray[i].Flags.Consumer = MC_NPPOOL;
MmPageArray[i].ReferenceCount = 1;
MmPageArray[i].ReferenceCount = 2;
MmPageArray[i].MapCount = 1;
InsertTailList(&UsedPageListHeads[MC_NPPOOL],
&MmPageArray[i].ListEntry);
@ -588,6 +590,7 @@ MmMarkPageMapped(PFN_TYPE Pfn)
KEBUGCHECK(0);
}
MmPageArray[Pfn].MapCount++;
MmPageArray[Pfn].ReferenceCount++;
KeReleaseSpinLock(&PageListLock, oldIrql);
}
}
@ -612,6 +615,7 @@ MmMarkPageUnmapped(PFN_TYPE Pfn)
KEBUGCHECK(0);
}
MmPageArray[Pfn].MapCount--;
MmPageArray[Pfn].ReferenceCount--;
KeReleaseSpinLock(&PageListLock, oldIrql);
}
}