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 */ 11typedef struct { 12 void *ldt; 13 int size; 14 struct mutex lock; 15 void *vdso; 16} mm_context_t; 17 18#ifdef CONFIG_SMP 19void leave_mm(int cpu); 20#else 21static inline void leave_mm(int cpu) 22{ 23} 24#endif 25 26#endif /* _ASM_X86_MMU_H */ 27