synchronize_rcu_xxx  201 include/linux/rcupdate.h #define synchronize_rcu_xxx(name, func) \
synchronize_rcu_xxx   81 kernel/rcupdate.c synchronize_rcu_xxx(synchronize_rcu, call_rcu)
synchronize_rcu_xxx 1169 kernel/rcupreempt.c synchronize_rcu_xxx(__synchronize_sched, call_rcu_sched)