[deliverable/linux.git] / include / asm-x86 / mmu.h

#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.
 *
 * cpu_vm_mask is used to optimize ldt flushing.
 */
typedef struct {
	void *ldt;
#ifdef CONFIG_X86_64
	rwlock_t ldtlock;
#endif
	int size;
	struct mutex lock;
	void *vdso;
} 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 */
Commit	Line	Data
70353023 CS	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	*/
710d0e9c	13	typedef struct {
70353023 CS	14	void *ldt;
70353023 CS	15	#ifdef CONFIG_X86_64
710d0e9c	16	rwlock_t ldtlock;
96a388de	17	#endif
70353023 CS	18	int size;
	19	struct mutex lock;
	20	void *vdso;
	21	} mm_context_t;
	22
bde6f5f5 VP	23	#ifdef CONFIG_SMP
	24	void leave_mm(int cpu);
	25	#else
	26	static inline void leave_mm(int cpu)
	27	{
	28	}
	29	#endif
	30
70353023	31	#endif /* _ASM_X86_MMU_H */