rcu_exit_nohz 182 include/linux/rcuclassic.h #define rcu_exit_nohz() do { } while (0) rcu_exit_nohz 130 include/linux/rcupreempt.h static inline void rcu_exit_nohz(void) rcu_exit_nohz 142 include/linux/rcupreempt.h #define rcu_exit_nohz() do { } while (0)