struct _MI_PER_SESSION_PROTOS// Size=0x30
{
    struct _RTL_BALANCED_NODE SessionProtoNode;// Offset=0x0 Size=0x18
    struct _SINGLE_LIST_ENTRY FreeList;// Offset=0x0 Size=0x8
    void * DriverAddress;// Offset=0x0 Size=0x8
    unsigned long SessionId;// Offset=0x18 Size=0x4
    struct _SUBSECTION * Subsection;// Offset=0x18 Size=0x8
    struct _MMPTE * SubsectionBase;// Offset=0x20 Size=0x8
    union _unnamed_1464 u2;// Offset=0x28 Size=0x4
};