+static __net_exit void ipv4_mib_exit_net(struct net *net)
+{
+ snmp_mib_free((void **)net->mib.icmpmsg_statistics);
+ snmp_mib_free((void **)net->mib.icmp_statistics);
+ snmp_mib_free((void **)net->mib.udplite_statistics);
+ snmp_mib_free((void **)net->mib.udp_statistics);
+ snmp_mib_free((void **)net->mib.net_statistics);
+ snmp_mib_free((void **)net->mib.ip_statistics);
+ snmp_mib_free((void **)net->mib.tcp_statistics);
+}
+
+static __net_initdata struct pernet_operations ipv4_mib_ops = {
+ .init = ipv4_mib_init_net,
+ .exit = ipv4_mib_exit_net,
+};
+
+static int __init init_ipv4_mibs(void)
+{
+ return register_pernet_subsys(&ipv4_mib_ops);
+}
+