Metadatacopyunion _MI_FILE_ONLY_FIXUP_EXTENT { struct { unsigned __int64 Purged : 1;/* 0x0:0 8 */ unsigned __int64 Spare : 2;/* 0x0:1 8 */ };/* 0x0 8 */ struct _MMPFN* Pfn;/* 0x0 8 */ struct _MMPTE* ProtoPte;/* 0x0 8 */ void* EntirePointer;/* 0x0 8 */};