barrier_head     2864 kernel/rcu/tree.c 	rdp->barrier_head.func = rcu_barrier_callback;
barrier_head     2865 kernel/rcu/tree.c 	debug_rcu_head_queue(&rdp->barrier_head);
barrier_head     2868 kernel/rcu/tree.c 	if (rcu_segcblist_entrain(&rdp->cblist, &rdp->barrier_head, 0)) {
barrier_head     2871 kernel/rcu/tree.c 		debug_rcu_head_unqueue(&rdp->barrier_head);
barrier_head      192 kernel/rcu/tree.h 	struct rcu_head barrier_head;