tb_node 2524 net/ipv4/fib_trie.c struct hlist_node *tb_node; tb_node 2536 net/ipv4/fib_trie.c while ((tb_node = rcu_dereference(hlist_next_rcu(&tb->tb_hlist)))) { tb_node 2537 net/ipv4/fib_trie.c tb = hlist_entry(tb_node, struct fib_table, tb_hlist);