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[linux-2.6] / include / asm-x86_64 / mmu.h
1 #ifndef __x86_64_MMU_H
2 #define __x86_64_MMU_H
3
4 #include <linux/spinlock.h>
5 #include <asm/semaphore.h>
6
7 /*
8  * The x86_64 doesn't have a mmu context, but
9  * we put the segment information here.
10  *
11  * cpu_vm_mask is used to optimize ldt flushing.
12  */
13 typedef struct { 
14         void *ldt;
15         rwlock_t ldtlock; 
16         int size;
17         struct semaphore sem; 
18 } mm_context_t;
19
20 #endif