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//0x4 bytes (sizeof)
enum _MEMORY_CACHING_TYPE
{
    MmNonCached = 0,
    MmCached = 1,
    MmWriteCombined = 2,
    MmHardwareCoherentCached = 3,
    MmNonCachedUnordered = 4,
    MmUSWCCached = 5,
    MmMaximumCacheType = 6,
    MmNotMapped = -1
};