#ifndef __PARISC_SWITCH_TO_H
  #define __PARISC_SWITCH_TO_H
  
  struct task_struct;
  
  extern struct task_struct *_switch_to(struct task_struct *, struct task_struct *);
  
  #define switch_to(prev, next, last) do {			\
  	(last) = _switch_to(prev, next);			\
  } while(0)
  
  #endif /* __PARISC_SWITCH_TO_H */