tcp4_net_ops     2556 net/ipv4/tcp_ipv4.c static struct pernet_operations tcp4_net_ops = {
tcp4_net_ops     2563 net/ipv4/tcp_ipv4.c 	return register_pernet_subsys(&tcp4_net_ops);
tcp4_net_ops     2568 net/ipv4/tcp_ipv4.c 	unregister_pernet_subsys(&tcp4_net_ops);