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//0x4 bytes (sizeof)
struct _MI_PARTITION_FLAGS
{
    union
    {
        struct
        {
            ULONG BeingDeleted:1;                                           //0x0
            ULONG PageListsInitialized:1;                                   //0x0
            ULONG StoreReservedPagesCharged:1;                              //0x0
            ULONG UseProtectedSlabAllocators:1;                             //0x0
            ULONG PureHolding:1;                                            //0x0
            ULONG ZeroPagesOptional:1;                                      //0x0
            ULONG BackgroundZeroingDisabled:1;                              //0x0
            ULONG SpecialPurposeMemory:1;                                   //0x0
        };
        LONG EntireField;                                                   //0x0
    };
};