1 #ifndef __MMU_H 2 #define __MMU_H 3 4 /* 5 * Type for a context number. We declare it volatile to ensure proper 6 * ordering when it's accessed outside of spinlock'd critical sections 7 * (e.g., as done in activate_mm() and init_new_context()). 8 */ 9 typedef volatile unsigned long mm_context_t; 10 11 typedef unsigned long nv_mm_context_t; 12 13 #endif 14