1#ifndef __ASM_ARM_SWITCH_TO_H
 2#define __ASM_ARM_SWITCH_TO_H
 3
 4#include <linux/thread_info.h>
 5
 6/*
 7 * switch_to(prev, next) should switch from task `prev' to `next'
 8 * `prev' will never be the same as `next'.  schedule() itself
 9 * contains the memory barrier to tell GCC not to cache `current'.
10 */
11extern struct task_struct *__switch_to(struct task_struct *, struct thread_info *, struct thread_info *);
12
13#define switch_to(prev,next,last)					\
14do {									\
15	last = __switch_to(prev,task_thread_info(prev), task_thread_info(next));	\
16} while (0)
17
18#endif /* __ASM_ARM_SWITCH_TO_H */