| #ifndef __x86_64_MMU_H | |
| #define __x86_64_MMU_H | |
| #include <linux/spinlock.h> | |
| #include <asm/semaphore.h> | |
| /* | |
| * The x86_64 doesn't have a mmu context, but | |
| * we put the segment information here. | |
| * | |
| * cpu_vm_mask is used to optimize ldt flushing. | |
| */ | |
| typedef struct { | |
| void *ldt; | |
| rwlock_t ldtlock; | |
| int size; | |
| struct semaphore sem; | |
| } mm_context_t; | |
| #endif |