POWEROFF_CMD_PATH_LEN   78 include/linux/reboot.h extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
POWEROFF_CMD_PATH_LEN  419 kernel/reboot.c char poweroff_cmd[POWEROFF_CMD_PATH_LEN] = "/sbin/poweroff";
POWEROFF_CMD_PATH_LEN 1164 kernel/sysctl.c 		.maxlen		= POWEROFF_CMD_PATH_LEN,