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70353023 CS |
1 | #ifndef _ASM_X86_MMU_H |
2 | #define _ASM_X86_MMU_H | |
3 | ||
4 | #include <linux/spinlock.h> | |
5 | #include <linux/mutex.h> | |
6 | ||
7 | /* | |
8 | * The x86 doesn't have a mmu context, but | |
9 | * we put the segment information here. | |
10 | * | |
11 | * cpu_vm_mask is used to optimize ldt flushing. | |
12 | */ | |
710d0e9c | 13 | typedef struct { |
70353023 CS |
14 | void *ldt; |
15 | #ifdef CONFIG_X86_64 | |
710d0e9c | 16 | rwlock_t ldtlock; |
96a388de | 17 | #endif |
70353023 CS |
18 | int size; |
19 | struct mutex lock; | |
20 | void *vdso; | |
21 | } mm_context_t; | |
22 | ||
bde6f5f5 VP |
23 | #ifdef CONFIG_SMP |
24 | void leave_mm(int cpu); | |
25 | #else | |
26 | static inline void leave_mm(int cpu) | |
27 | { | |
28 | } | |
29 | #endif | |
30 | ||
70353023 | 31 | #endif /* _ASM_X86_MMU_H */ |