| #ifndef _ASM_X86_MMU_H | |
| #define _ASM_X86_MMU_H | |
| #include <linux/spinlock.h> | |
| #include <linux/mutex.h> | |
| /* | |
| * The x86 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; | |
| #ifdef CONFIG_X86_64 | |
| rwlock_t ldtlock; | |
| #endif | |
| int size; | |
| struct mutex lock; | |
| void *vdso; | |
| } mm_context_t; | |
| #ifdef CONFIG_SMP | |
| void leave_mm(int cpu); | |
| #else | |
| static inline void leave_mm(int cpu) | |
| { | |
| } | |
| #endif | |
| #endif /* _ASM_X86_MMU_H */ |