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//0x4 bytes (sizeof)
union _MI_AVAILABLE_PAGES_HUGE_GRANULARITY
{
    ULONG SmallAvailablePages:19;                                           //0x0
    ULONG LargeFreeZeroPages:10;                                            //0x0
    ULONG Spare:2;                                                          //0x0
    ULONG EntireValue;                                                      //0x0
    LONG EntireValueSigned;                                                 //0x0
    volatile LONG EntireValueVolatile;                                      //0x0
};