rcu_segcblist_first_cb  105 kernel/rcu/rcu_segcblist.h struct rcu_head *rcu_segcblist_first_cb(struct rcu_segcblist *rsclp);
rcu_segcblist_first_cb 3245 kernel/rcu/tree.c 		  rcu_segcblist_first_cb(&rdp->cblist));