| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
| Andi Kleen | 2aae950 | 2007-07-21 17:10:01 +0200 | [diff] [blame] | 18 | void *vdso; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | } mm_context_t; |
| 20 | |
| 21 | #endif |