rcu_preempt_deferred_qs_irqrestore  574 kernel/rcu/tree_plugin.h 	rcu_preempt_deferred_qs_irqrestore(t, flags);
rcu_preempt_deferred_qs_irqrestore  644 kernel/rcu/tree_plugin.h 	rcu_preempt_deferred_qs_irqrestore(t, flags);