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- Update the page counters in MmGetContinuousPages.
- Add a flag to PHYSICAL_PAGE, to detect if a free page is on the zeroed or on the unzeroed list. svn path=/trunk/; revision=10324
This commit is contained in:
Hartmut Birr
parent
f811b0ed5c
commit
b67cc5006c
1 changed files with 43 additions and 4 deletions
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@ -30,10 +30,9 @@ typedef struct _PHYSICAL_PAGE
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{
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struct
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{
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ULONG Type:
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2;
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ULONG Consumer:
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3;
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ULONG Type: 2;
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ULONG Consumer: 3;
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ULONG Zero: 1;
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}
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Flags;
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ULONG AllFlags;
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@ -251,6 +250,12 @@ MmGetContinuousPages(ULONG NumberOfBytes,
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for (i = start; i < (start + length); i++)
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{
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RemoveEntryList(&MmPageArray[i].ListEntry);
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if (MmPageArray[i].Flags.Zero == 0)
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{
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UnzeroedPageCount--;
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}
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MmStats.NrFreePages--;
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MmStats.NrSystemPages++;
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_USED;
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MmPageArray[i].Flags.Consumer = MC_NPPOOL;
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MmPageArray[i].ReferenceCount = 1;
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@ -261,6 +266,20 @@ MmGetContinuousPages(ULONG NumberOfBytes,
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&MmPageArray[i].ListEntry);
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}
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KeReleaseSpinLock(&PageListLock, oldIrql);
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for (i = start; i < (start + length); i++)
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{
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if (MmPageArray[i].Flags.Zero == 0)
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{
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PHYSICAL_ADDRESS Page;
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Page.QuadPart = i * PAGE_SIZE;
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MiZeroPage(Page);
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}
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else
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{
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MmPageArray[i].Flags.Zero = 0;
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}
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}
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#if defined(__GNUC__)
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return((PHYSICAL_ADDRESS)((LONGLONG)start * PAGE_SIZE));
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@ -295,9 +314,11 @@ MiParseRangeToFreeList(PADDRESS_RANGE Range)
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if (MmPageArray[i].Flags.Type == 0)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_FREE;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].ReferenceCount = 0;
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InsertTailList(&FreeUnzeroedPageListHead,
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&MmPageArray[i].ListEntry);
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MmStats.NrFreePages++;
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UnzeroedPageCount++;
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}
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}
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@ -323,6 +344,9 @@ MiParseRangeToBiosList(PADDRESS_RANGE Range)
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if (MmPageArray[i].Flags.Type == MM_PHYSICAL_PAGE_FREE)
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{
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RemoveEntryList(&MmPageArray[i].ListEntry);
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UnzeroedPageCount--;
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MmStats.NrFreePages--;
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}
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if (MmPageArray[i].Flags.Type != MM_PHYSICAL_PAGE_BIOS)
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@ -332,6 +356,7 @@ MiParseRangeToBiosList(PADDRESS_RANGE Range)
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MmPageArray[i].ReferenceCount = 1;
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InsertTailList(&BiosPageListHead,
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&MmPageArray[i].ListEntry);
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MmStats.NrSystemPages++;
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}
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}
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}
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@ -455,6 +480,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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*/
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MmPageArray[0].Flags.Type = MM_PHYSICAL_PAGE_BIOS;
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MmPageArray[0].Flags.Consumer = MC_NPPOOL;
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MmPageArray[0].Flags.Zero = 0;
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MmPageArray[0].ReferenceCount = 0;
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InsertTailList(&BiosPageListHead,
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&MmPageArray[0].ListEntry);
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@ -464,6 +490,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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*/
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MmPageArray[1].Flags.Type = MM_PHYSICAL_PAGE_BIOS;
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MmPageArray[1].Flags.Consumer = MC_NPPOOL;
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MmPageArray[1].Flags.Zero = 0;
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MmPageArray[1].ReferenceCount = 0;
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InsertTailList(&BiosPageListHead,
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&MmPageArray[1].ListEntry);
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@ -475,6 +502,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<((ULONG)FirstPhysKernelAddress/PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_FREE;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].ReferenceCount = 0;
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InsertTailList(&FreeUnzeroedPageListHead,
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&MmPageArray[i].ListEntry);
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@ -485,6 +513,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<((ULONG)LastPhysKernelAddress / PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_USED;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].Flags.Consumer = MC_NPPOOL;
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MmPageArray[i].ReferenceCount = 1;
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MmPageArray[i].MapCount = 1;
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@ -495,6 +524,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<(0xa0000/PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_FREE;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].ReferenceCount = 0;
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InsertTailList(&FreeUnzeroedPageListHead,
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&MmPageArray[i].ListEntry);
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@ -504,6 +534,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<(0x100000 / PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_BIOS;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].Flags.Consumer = MC_NPPOOL;
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MmPageArray[i].ReferenceCount = 1;
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InsertTailList(&BiosPageListHead,
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@ -516,6 +547,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<(0xa0000 / PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_FREE;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].ReferenceCount = 0;
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InsertTailList(&FreeUnzeroedPageListHead,
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&MmPageArray[i].ListEntry);
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@ -525,6 +557,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<(0x100000 / PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_BIOS;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].Flags.Consumer = MC_NPPOOL;
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MmPageArray[i].ReferenceCount = 1;
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InsertTailList(&BiosPageListHead,
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@ -534,6 +567,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<((ULONG)FirstPhysKernelAddress/PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_FREE;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].ReferenceCount = 0;
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InsertTailList(&FreeUnzeroedPageListHead,
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&MmPageArray[i].ListEntry);
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@ -544,6 +578,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<((ULONG)LastPhysKernelAddress/PAGE_SIZE); i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_USED;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].Flags.Consumer = MC_NPPOOL;
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MmPageArray[i].ReferenceCount = 1;
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MmPageArray[i].MapCount = 1;
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@ -556,6 +591,7 @@ MmInitializePageList(PVOID FirstPhysKernelAddress,
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for (; i<MemorySizeInPages; i++)
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{
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MmPageArray[i].Flags.Type = MM_PHYSICAL_PAGE_FREE;
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MmPageArray[i].Flags.Zero = 0;
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MmPageArray[i].ReferenceCount = 0;
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InsertTailList(&FreeUnzeroedPageListHead,
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&MmPageArray[i].ListEntry);
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@ -819,6 +855,7 @@ MmDereferencePage(PHYSICAL_ADDRESS PhysicalAddress)
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KEBUGCHECK(0);
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}
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MmPageArray[Start].Flags.Type = MM_PHYSICAL_PAGE_FREE;
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MmPageArray[Start].Flags.Zero = 0;
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InsertTailList(&FreeUnzeroedPageListHead,
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&MmPageArray[Start].ListEntry);
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UnzeroedPageCount++;
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@ -966,6 +1003,7 @@ MmAllocPage(ULONG Consumer, SWAPENTRY SavedSwapEntry)
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KEBUGCHECK(0);
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}
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PageDescriptor->Flags.Type = MM_PHYSICAL_PAGE_USED;
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PageDescriptor->Flags.Zero = 0;
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PageDescriptor->Flags.Consumer = Consumer;
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PageDescriptor->ReferenceCount = 1;
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PageDescriptor->LockCount = 0;
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@ -1057,6 +1095,7 @@ MmZeroPageThreadMain(PVOID Ignored)
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DbgPrint("Mapped page on freelist.\n");
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KEBUGCHECK(0);
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}
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PageDescriptor->Flags.Zero = 1;
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PageDescriptor->Flags.Type = MM_PHYSICAL_PAGE_FREE;
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InsertHeadList(&FreeZeroedPageListHead, ListEntry);
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}
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