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ReactOS Development > Doxygen

PMM_RMAP_ENTRY NTAPI MmGetRmapListHeadPage ( PFN_NUMBER  Pfn) [read]

Definition at line 428 of file freelist.c.

Referenced by _MmSetPageEntrySectionSegment(), MmDeleteAllRmaps(), MmDeleteRmap(), MmDeleteSectionAssociation(), MmGetSegmentRmap(), MmInsertRmap(), MmIsDirtyPageRmap(), MmPageOutPhysicalAddress(), MmpPageOutPhysicalAddress(), MmSetCleanAllRmaps(), and MmSetDirtyAllRmaps().

{
    KIRQL oldIrql;
    PMM_RMAP_ENTRY ListHead;
    PMMPFN Pfn1;

    /* Lock PFN database */
    oldIrql = KeAcquireQueuedSpinLock(LockQueuePfnLock);

    /* Get the entry */
    Pfn1 = MiGetPfnEntry(Pfn);
    ASSERT(Pfn1);
    ASSERT_IS_ROS_PFN(Pfn1);

    /* Get the list head */
    ListHead = MI_GET_ROS_DATA(Pfn1)->RmapListHead;

    /* Should not have an RMAP for a non-active page */
    ASSERT(MiIsPfnInUse(Pfn1) == TRUE);

    /* Release PFN database and return rmap list head */
    KeReleaseQueuedSpinLock(LockQueuePfnLock, oldIrql);
    return ListHead;
}

Generated on Sun May 27 2012 06:08:23 for ReactOS by doxygen 1.7.6.1

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