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 */ 13 typedef struct { 14 void *ldt; 15 #ifdef CONFIG_X86_64 16 rwlock_t ldtlock; 17 #endif 18 int size; 19 struct mutex lock; 20 void *vdso; 21 } mm_context_t; 22 23 #endif /* _ASM_X86_MMU_H */ 24
