ip6_rt_mtu_expires 30 include/net/netns/ipv6.h int ip6_rt_mtu_expires; ip6_rt_mtu_expires 2715 net/ipv6/route.c rt6_update_expires(rt, net->ipv6.sysctl.ip6_rt_mtu_expires); ip6_rt_mtu_expires 6132 net/ipv6/route.c .data = &init_net.ipv6.sysctl.ip6_rt_mtu_expires, ip6_rt_mtu_expires 6180 net/ipv6/route.c table[7].data = &net->ipv6.sysctl.ip6_rt_mtu_expires; ip6_rt_mtu_expires 6249 net/ipv6/route.c net->ipv6.sysctl.ip6_rt_mtu_expires = 10*60*HZ;