disable_rspin    1142 kernel/locking/rwsem.c 	bool disable_rspin;
disable_rspin    1160 kernel/locking/rwsem.c 	disable_rspin = atomic_long_read(&sem->owner) & RWSEM_NONSPINNABLE;
disable_rspin    1272 kernel/locking/rwsem.c 	rwsem_disable_reader_optspin(sem, disable_rspin);