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//0x1f40 bytes (sizeof)
struct _MM_SESSION_SPACE
{
    volatile LONG ReferenceCount;                                           //0x0
    union
    {
        ULONG LongFlags;                                                    //0x4
        struct _MM_SESSION_SPACE_FLAGS Flags;                               //0x4
    } u;                                                                    //0x4
    ULONG SessionId;                                                        //0x8
    volatile LONG ProcessReferenceToSession;                                //0xc
    struct _LIST_ENTRY ProcessList;                                         //0x10
    ULONGLONG SessionPageDirectoryIndex;                                    //0x20
    volatile ULONGLONG NonPagablePages;                                     //0x28
    volatile ULONGLONG CommittedPages;                                      //0x30
    VOID* PagedPoolStart;                                                   //0x38
    VOID* PagedPoolEnd;                                                     //0x40
    VOID* SessionObject;                                                    //0x48
    VOID* SessionObjectHandle;                                              //0x50
    ULONG SessionPoolAllocationFailures[4];                                 //0x58
    struct _RTL_AVL_TREE ImageTree;                                         //0x68
    ULONG LocaleId;                                                         //0x70
    ULONG AttachCount;                                                      //0x74
    struct _KGATE AttachGate;                                               //0x78
    struct _LIST_ENTRY WsListEntry;                                         //0x90
    struct _GENERAL_LOOKASIDE Lookaside[21];                                //0xc0
    struct _MMSESSION Session;                                              //0xb40
    struct _MM_PAGED_POOL_INFO PagedPoolInfo;                               //0xb60
    struct _MMSUPPORT Vm;                                                   //0xb98
    struct _MMWSLE* Wsle;                                                   //0xc90
    struct _MI_SESSION_DRIVER_UNLOAD DriverUnload;                          //0xc98
    struct _POOL_DESCRIPTOR PagedPool;                                      //0xcc0
    struct _MMPTE PageDirectory;                                            //0x1e00
    struct _EX_PUSH_LOCK SessionVaLock;                                     //0x1e08
    struct _RTL_BITMAP DynamicVaBitMap;                                     //0x1e10
    ULONG DynamicVaHint;                                                    //0x1e20
    struct _MI_SPECIAL_POOL SpecialPool;                                    //0x1e28
    struct _EX_PUSH_LOCK SessionPteLock;                                    //0x1e78
    LONG PoolBigEntriesInUse;                                               //0x1e80
    ULONG PagedPoolPdeCount;                                                //0x1e84
    ULONG SpecialPoolPdeCount;                                              //0x1e88
    ULONG DynamicSessionPdeCount;                                           //0x1e8c
    struct _MI_SYSTEM_PTE_TYPE SystemPteInfo;                               //0x1e90
    VOID* PoolTrackTableExpansion;                                          //0x1ef0
    ULONGLONG PoolTrackTableExpansionSize;                                  //0x1ef8
    VOID* PoolTrackBigPages;                                                //0x1f00
    ULONGLONG PoolTrackBigPagesSize;                                        //0x1f08
    enum _IO_SESSION_STATE IoState;                                         //0x1f10
    ULONG IoStateSequence;                                                  //0x1f14
    struct _KEVENT IoNotificationEvent;                                     //0x1f18
    struct _ESILO* ServerSilo;                                              //0x1f30
    ULONGLONG CreateTime;                                                   //0x1f38
};