dl_entity_preempt
dl_entity_preempt(&pi_task->dl, &p->dl))) {
if (!dl_task(dl_se->rq->curr) || dl_entity_preempt(dl_se, &dl_se->rq->curr->dl))
if (!dl_task(dl_se->rq->curr) || dl_entity_preempt(dl_se, &rq->curr->dl))
!dl_entity_preempt(&p->dl, &donor->dl)) &&
if (dl_entity_preempt(&p->dl, &rq->donor->dl)) {
!dl_entity_preempt(&p->dl, &rq->donor->dl))) {
return dl_entity_preempt(&__node_2_pdl(a)->dl, &__node_2_pdl(b)->dl);