tag	line	file	source code
ipv4_table	11	net/ipv4/sysctl_net_ipv4.c	ctl_table ipv4_table[] = {
ipv4_table	13	net/sysctl_net.c	extern ctl_table ipv4_table[];
ipv4_table	46	net/sysctl_net.c	{NET_IPV4,   "ipv4",      NULL, 0, 0555, ipv4_table},