do_nocb_deferred_wakeup
do_nocb_deferred_wakeup(rdp);
do_nocb_deferred_wakeup(rdp);
if (do_nocb_deferred_wakeup(rdp) && need_resched()) {
static bool do_nocb_deferred_wakeup(struct rcu_data *rdp);
do_nocb_deferred_wakeup(this_cpu_ptr(&rcu_data));