struct _MI_IO_PAGE_STATE// Size=0x40
{
    long IoPfnLock;// Offset=0x0 Size=0x4
    struct _RTL_AVL_TREE IoPfnRoot[3];// Offset=0x4 Size=0xc
    struct _LIST_ENTRY UnusedCachedMaps;// Offset=0x10 Size=0x8
    unsigned long OldestCacheFlushTimeStamp;// Offset=0x18 Size=0x4
    struct _MI_IO_CACHE_STATS IoCacheStats;// Offset=0x1c Size=0x20
    struct _RTL_AVL_TREE InvariantIoSpace;// Offset=0x3c Size=0x4
};