32 lines
505 B
C
32 lines
505 B
C
#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 */
|