g_head 300 net/l2tp/l2tp_core.c struct hlist_head *g_head; g_head 321 net/l2tp/l2tp_core.c g_head = l2tp_session_id_hash_2(pn, session->session_id); g_head 328 net/l2tp/l2tp_core.c hlist_for_each_entry(session_walk, g_head, global_hlist) g_head 337 net/l2tp/l2tp_core.c hlist_add_head_rcu(&session->global_hlist, g_head);