2008-10-23 12:26:29 +07:00
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#ifndef _ASM_X86_MMU_H
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#define _ASM_X86_MMU_H
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2007-10-20 13:56:59 +07:00
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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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2008-03-23 15:02:44 +07:00
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typedef struct {
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2015-07-31 04:31:34 +07:00
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#ifdef CONFIG_MODIFY_LDT_SYSCALL
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2015-07-31 04:31:32 +07:00
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struct ldt_struct *ldt;
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2015-07-31 04:31:34 +07:00
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#endif
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2011-03-14 02:49:13 +07:00
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#ifdef CONFIG_X86_64
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/* True if mm supports a task running in 32 bit compatibility mode. */
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unsigned short ia32_compat;
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#endif
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2011-05-24 20:49:59 +07:00
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struct mutex lock;
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2015-12-30 11:12:21 +07:00
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void __user *vdso; /* vdso base address */
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const struct vdso_image *vdso_image; /* vdso image in use */
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2014-10-25 05:58:12 +07:00
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atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */
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2007-10-20 13:56:59 +07:00
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} mm_context_t;
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2008-01-30 19:32:01 +07:00
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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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2008-10-23 12:26:29 +07:00
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#endif /* _ASM_X86_MMU_H */
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