rwsem_spin_on_owner  718 kernel/locking/rwsem.c rwsem_spin_on_owner(struct rw_semaphore *sem, unsigned long nonspinnable)
rwsem_spin_on_owner  984 kernel/locking/rwsem.c rwsem_spin_on_owner(struct rw_semaphore *sem, unsigned long nonspinnable)