VOID MmFreeCacheSectionPage	(	PVOID	Context,
		MEMORY_AREA *	MemoryArea,
		PVOID	Address,
		PFN_NUMBER	Page,
		SWAPENTRY	SwapEntry,
		BOOLEAN	Dirty
	)

Definition at line 749 of file data.c.

Referenced by MmUnmapViewOfCacheSegment().

{
    ULONG_PTR Entry;
    PVOID *ContextData = Context;
    PMMSUPPORT AddressSpace;
    PEPROCESS Process;
    PMM_SECTION_SEGMENT Segment;
    LARGE_INTEGER Offset;

    DPRINT("MmFreeSectionPage(%x,%x,%x,%x,%d)\n",
           MmGetAddressSpaceOwner(ContextData[0]),
           Address,
           Page,
           SwapEntry,
           Dirty);

    AddressSpace = ContextData[0];
    Process = MmGetAddressSpaceOwner(AddressSpace);
    Address = (PVOID)PAGE_ROUND_DOWN(Address);
    Segment = ContextData[1];
    Offset.QuadPart = (ULONG_PTR)Address - (ULONG_PTR)MemoryArea->StartingAddress +
                      MemoryArea->Data.SectionData.ViewOffset.QuadPart;

    Entry = MmGetPageEntrySectionSegment(Segment, &Offset);

    if (Page != 0 && PFN_FROM_SSE(Entry) == Page && Dirty)
    {
        DPRINT("Freeing section page %x:%x -> %x\n", Segment, Offset.LowPart, Entry);
        MmSetPageEntrySectionSegment(Segment, &Offset, DIRTY_SSE(Entry));
    }
    if (Page)
    {
        DPRINT("Removing page %x:%x -> %x\n", Segment, Offset.LowPart, Entry);
        MmSetSavedSwapEntryPage(Page, 0);
        MmDeleteRmap(Page, Process, Address);
        MmDeleteVirtualMapping(Process, Address, FALSE, NULL, NULL);
        MmReleasePageMemoryConsumer(MC_CACHE, Page);
    }
    if (SwapEntry != 0)
    {
        MmFreeSwapPage(SwapEntry);
    }
}

ReactOS Development > Doxygen