taglinefilesource code
ip_route_local176include/net/sock.hint        ip_route_local;    /* State of locality flag    */
ip_route_local2363net/ipv4/ip.cif(!rt || sk->ip_route_stamp != rt_stamp || daddr!=sk->ip_route_daddr || sk->ip_route_local!=local || sk->saddr!=sk->ip_route_saddr)
ip_route_local2369net/ipv4/ip.csk->ip_route_local=local;