| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __i386_MMU_H |
| 2 | #define __i386_MMU_H |
| 3 | |
| Luiz Fernando N. Capitulino | de8aacb | 2007-10-17 18:04:41 +0200 | [diff] [blame] | 4 | #include <linux/mutex.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | /* |
| 6 | * The i386 doesn't have a mmu context, but |
| 7 | * we put the segment information here. |
| 8 | * |
| 9 | * cpu_vm_mask is used to optimize ldt flushing. |
| 10 | */ |
| 11 | typedef struct { |
| 12 | int size; |
| Luiz Fernando N. Capitulino | de8aacb | 2007-10-17 18:04:41 +0200 | [diff] [blame] | 13 | struct mutex lock; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | void *ldt; |
| Ingo Molnar | e6e5494 | 2006-06-27 02:53:50 -0700 | [diff] [blame] | 15 | void *vdso; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | } mm_context_t; |
| 17 | |
| 18 | #endif |