| #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. |
| */ |
| typedef struct { |
| #ifdef CONFIG_MODIFY_LDT_SYSCALL |
| struct ldt_struct *ldt; |
| #endif |
| |
| #ifdef CONFIG_X86_64 |
| /* True if mm supports a task running in 32 bit compatibility mode. */ |
| unsigned short ia32_compat; |
| #endif |
| |
| struct mutex lock; |
| void __user *vdso; |
| |
| atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */ |
| } 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 */ |
