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#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.
*
* exec_limit is used to track the range PROT_EXEC
* mappings span.
*/
typedef struct {
void *ldt;
int size;
#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 *vdso;
#ifdef CONFIG_X86_32
struct desc_struct user_cs;
unsigned long exec_limit;
#endif
} 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 */
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