2007-10-20 14:56:59 +08:00
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#ifndef _ASM_X86_MMU_H
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#define _ASM_X86_MMU_H
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#include <linux/spinlock.h>
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#include <linux/mutex.h>
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/*
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* The x86 doesn't have a mmu context, but
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* we put the segment information here.
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*
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* cpu_vm_mask is used to optimize ldt flushing.
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*/
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2008-03-23 16:02:44 +08:00
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typedef struct {
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2007-10-20 14:56:59 +08:00
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void *ldt;
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#ifdef CONFIG_X86_64
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2008-03-23 16:02:44 +08:00
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rwlock_t ldtlock;
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2007-10-11 17:20:03 +08:00
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#endif
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2007-10-20 14:56:59 +08:00
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int size;
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struct mutex lock;
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void *vdso;
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} mm_context_t;
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2008-01-30 20:32:01 +08:00
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#ifdef CONFIG_SMP
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void leave_mm(int cpu);
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#else
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static inline void leave_mm(int cpu)
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{
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}
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#endif
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2007-10-20 14:56:59 +08:00
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#endif /* _ASM_X86_MMU_H */
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