ping_v4_net_ops  1158 net/ipv4/ping.c static struct pernet_operations ping_v4_net_ops = {
ping_v4_net_ops  1165 net/ipv4/ping.c 	return register_pernet_subsys(&ping_v4_net_ops);
ping_v4_net_ops  1170 net/ipv4/ping.c 	unregister_pernet_subsys(&ping_v4_net_ops);