typedef struct _MMVAD_FLAGS
{
    unsigned __int64 CommitCharge : 51;
    unsigned __int64 NoChange : 1;
    unsigned __int64 VadType : 3;
    unsigned __int64 MemCommit : 1;
    unsigned __int64 Protection : 5;
    unsigned __int64 Spare : 2;
    unsigned __int64 PrivateMemory : 1;
} MMVAD_FLAGS, *PMMVAD_FLAGS;