__stop_machine     37 include/linux/stop_machine.h int __stop_machine(int (*fn)(void *), void *data, const cpumask_t *cpus);
__stop_machine    254 kernel/cpu.c   	err = __stop_machine(take_cpu_down, &tcd_param, &tmp);
__stop_machine    184 kernel/stop_machine.c 	ret = __stop_machine(fn, data, cpus);