_switch 231 arch/openrisc/kernel/process.c extern struct thread_info *_switch(struct thread_info *old_ti, _switch 254 arch/openrisc/kernel/process.c last = (_switch(old_ti, new_ti))->task; _switch 18 arch/powerpc/include/asm/switch_to.h extern struct task_struct *_switch(struct thread_struct *prev, _switch 1188 arch/powerpc/kernel/process.c last = _switch(old_thread, new_thread);