inet6_ifaddr_msgsize 5347 net/ipv6/addrconf.c 	skb = nlmsg_new(inet6_ifaddr_msgsize(), GFP_KERNEL);
inet6_ifaddr_msgsize 5385 net/ipv6/addrconf.c 	skb = nlmsg_new(inet6_ifaddr_msgsize(), GFP_ATOMIC);