owner_on_cpu
if (!owner_on_cpu(owner) || need_resched()) {
retval = owner_on_cpu(owner);
if (!owner_on_cpu(owner) || need_resched() ||
(owner && !(flags & RWSEM_READER_OWNED) && !owner_on_cpu(owner)))
if (need_resched() || !owner_on_cpu(owner)) {