rwsem_down_read_slowpath 1344 kernel/locking/rwsem.c 		rwsem_down_read_slowpath(sem, TASK_UNINTERRUPTIBLE);
rwsem_down_read_slowpath 1354 kernel/locking/rwsem.c 		if (IS_ERR(rwsem_down_read_slowpath(sem, TASK_KILLABLE)))