Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef __MMU_H |
2 | #define __MMU_H | ||||
3 | |||||
4 | /* | ||||
5 | * Type for a context number. We declare it volatile to ensure proper ordering when it's | ||||
6 | * accessed outside of spinlock'd critical sections (e.g., as done in activate_mm() and | ||||
7 | * init_new_context()). | ||||
8 | */ | ||||
9 | typedef volatile unsigned long mm_context_t; | ||||
10 | |||||
11 | #endif |