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 */ 9typedef volatile unsigned long mm_context_t; 10 11typedef unsigned long nv_mm_context_t; 12 13#endif 14