kill_proc_info   1776 include/linux/sched.h extern int kill_proc_info(int, struct siginfo *, pid_t);
kill_proc_info    172 kernel/pid_namespace.c 		kill_proc_info(SIGKILL, SEND_SIG_PRIV, nr);
kill_proc_info   2298 kernel/signal.c 	return kill_proc_info(sig, &info, pid);