release/src-rt-6.x/linux/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