struct _MMPTE_PROTOTYPE {
unsigned __int64 Valid : 1;/* 0x0:0 8 */
unsigned __int64 Prototype : 1;/* 0x0:1 8 */
unsigned __int64 ReadOnly : 1;/* 0x0:2 8 */
unsigned __int64 Rsvd : 8;/* 0x0:3 8 */
unsigned __int64 SplitPermissions : 1;/* 0x0:11 8 */
unsigned __int64 ProtoAddress : 52;/* 0x0:12 8 */
};