PERFINFO_PAGE_RANGE_IDENTITY - NtDoc

#ifndef _NTWMI_H

typedef struct _PERFINFO_PAGE_RANGE_IDENTITY
{
    struct
    {
        ULONGLONG UseDescription : 4;       // MMPFNUSE_*
        ULONGLONG UniqueKey : 48;           // Used for SessionVAs/AWE/LargePages.
        ULONGLONG Reserved : 12;
    };
    union
    {
        PVOID ProtoPteAddress;              // Used for large page PFMapped sections.
        ULONG_PTR PageFrameIndex;           // Used for DriverLocked/UserPhysical Mdls.
        PVOID VirtualAddress;               // Used otherwise.
    };
    ULONG_PTR PageCount;                    // Number of pages.
} PERFINFO_PAGE_RANGE_IDENTITY, *PPERFINFO_PAGE_RANGE_IDENTITY;

#endif
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