mmu.h

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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.
 */
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;
} 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 */