899 	struct list_head *lh;  in seq_list_start()  local
901 	list_for_each(lh, head)  in seq_list_start()
903 			return lh;  in seq_list_start()
920 	struct list_head *lh;  in seq_list_next()  local
922 	lh = ((struct list_head *)v)->next;  in seq_list_next()
924 	return lh == head ? NULL : lh;  in seq_list_next()
930 	struct list_head *lh;  in seq_list_start_rcu()  local
932 	list_for_each_rcu(lh, head)  in seq_list_start_rcu()
934 			return lh;  in seq_list_start_rcu()
952 	struct list_head *lh;  in seq_list_next_rcu()  local
954 	lh = list_next_rcu((struct list_head *)v);  in seq_list_next_rcu()
956 	return lh == head ? NULL : lh;  in seq_list_next_rcu()