___rfd_beenhere   264 kernel/rcu/rcu.h 	static atomic_t ___rfd_beenhere = ATOMIC_INIT(0); \
___rfd_beenhere   266 kernel/rcu/rcu.h 	if (!atomic_read(&___rfd_beenhere) && \
___rfd_beenhere   267 kernel/rcu/rcu.h 	    !atomic_xchg(&___rfd_beenhere, 1)) { \