| 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; | ||||
| 18 | } mm_context_t; | ||||
| 19 | |||||
| 20 | #endif | ||||