LXR linux/arch/x86/include/asm/mmu.h

   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
  15#ifdef CONFIG_X86_64
  16        /* True if mm supports a task running in 32 bit compatibility mode. */
  17        unsigned short ia32_compat;
  18#endif
  19
  20        struct mutex lock;
  21        void *vdso;
  22} mm_context_t;
  23
  24#ifdef CONFIG_SMP
  25void leave_mm(int cpu);
  26#else
  27static inline void leave_mm(int cpu)
  28{
  29}
  30#endif
  31
  32#endif /* _ASM_X86_MMU_H */
  33