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  */
  11 typedef 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 __user *vdso;
  22 } mm_context_t;
  23
  24 #ifdef CONFIG_SMP
  25 void leave_mm(int cpu);
  26 #else
  27 static inline void leave_mm(int cpu)
  28 {
  29 }
  30 #endif
  31
  32 #endif /* _ASM_X86_MMU_H */