rwsem_opt_norspin   63 kernel/locking/lock_events_list.h LOCK_EVENT(rwsem_opt_norspin)	/* # of disabled reader-only optspins	*/
rwsem_opt_norspin  473 kernel/locking/rwsem.c 			lockevent_inc(rwsem_opt_norspin);
rwsem_opt_norspin 1131 kernel/locking/rwsem.c 		lockevent_inc(rwsem_opt_norspin);