cad_pid          1440 include/linux/sched.h extern struct pid *cad_pid;
cad_pid           497 include/linux/sched/signal.h 	return kill_pid(cad_pid, sig, priv);
cad_pid          1175 init/main.c    	cad_pid = task_pid(current);
cad_pid            26 kernel/reboot.c struct pid *cad_pid;
cad_pid            27 kernel/reboot.c EXPORT_SYMBOL(cad_pid);
cad_pid          3134 kernel/sysctl.c 	tmp = pid_vnr(cad_pid);
cad_pid          3145 kernel/sysctl.c 	put_pid(xchg(&cad_pid, new_pid));