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//0x3c bytes (sizeof)
struct _MMVAD
{
    union
    {
        LONG Balance:2;                                                     //0x0
        struct _MMVAD* Parent;                                              //0x0
    } u1;                                                                   //0x0
    struct _MMVAD* LeftChild;                                               //0x4
    struct _MMVAD* RightChild;                                              //0x8
    ULONG StartingVpn;                                                      //0xc
    ULONG EndingVpn;                                                        //0x10
    union
    {
        ULONG LongFlags;                                                    //0x14
        struct _MMVAD_FLAGS VadFlags;                                       //0x14
    } u;                                                                    //0x14
    struct _EX_PUSH_LOCK PushLock;                                          //0x18
    union
    {
        ULONG LongFlags3;                                                   //0x1c
        struct _MMVAD_FLAGS3 VadFlags3;                                     //0x1c
    } u5;                                                                   //0x1c
    union
    {
        ULONG LongFlags2;                                                   //0x20
        struct _MMVAD_FLAGS2 VadFlags2;                                     //0x20
    } u2;                                                                   //0x20
    union
    {
        struct _SUBSECTION* Subsection;                                     //0x24
        struct _MSUBSECTION* MappedSubsection;                              //0x24
    };
    struct _MMPTE* FirstPrototypePte;                                       //0x28
    struct _MMPTE* LastContiguousPte;                                       //0x2c
    struct _LIST_ENTRY ViewLinks;                                           //0x30
    struct _EPROCESS* VadsProcess;                                          //0x38
};