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1965aae3 PA |
1 | #ifndef _ASM_X86_MMU_H |
2 | #define _ASM_X86_MMU_H | |
70353023 CS |
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. | |
70353023 | 10 | */ |
710d0e9c | 11 | typedef struct { |
a5b9e5a2 | 12 | #ifdef CONFIG_MODIFY_LDT_SYSCALL |
37868fe1 | 13 | struct ldt_struct *ldt; |
a5b9e5a2 | 14 | #endif |
c2ef45df SW |
15 | |
16 | #ifdef CONFIG_X86_64 | |
17 | /* True if mm supports a task running in 32 bit compatibility mode. */ | |
18 | unsigned short ia32_compat; | |
19 | #endif | |
20 | ||
af6a25f0 | 21 | struct mutex lock; |
6f121e54 | 22 | void __user *vdso; |
7911d3f7 AL |
23 | |
24 | atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */ | |
70353023 CS |
25 | } mm_context_t; |
26 | ||
bde6f5f5 VP |
27 | #ifdef CONFIG_SMP |
28 | void leave_mm(int cpu); | |
29 | #else | |
30 | static inline void leave_mm(int cpu) | |
31 | { | |
32 | } | |
33 | #endif | |
34 | ||
1965aae3 | 35 | #endif /* _ASM_X86_MMU_H */ |