tag	line	file	source code
l_linger	16	include/linux/socket.h	int    l_linger;  /* How long to linger for  */
l_linger	220	net/core/sock.c	sk->lingertime=ling.l_linger;
l_linger	303	net/core/sock.c	ling.l_linger=sk->lingertime;