struct _MI_IO_PAGE_STATE// Size=0x58
{
    unsigned long long IoPfnLock;// Offset=0x0 Size=0x8
    struct _RTL_AVL_TREE IoPfnRoot[3];// Offset=0x8 Size=0x18
    struct _LIST_ENTRY UnusedCachedMaps;// Offset=0x20 Size=0x10
    unsigned long OldestCacheFlushTimeStamp;// Offset=0x30 Size=0x4
    struct _MI_IO_CACHE_STATS IoCacheStats;// Offset=0x38 Size=0x20
};