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requeue_granularity

PATCH New Con Kolivas 1 participant 1 message Nov 6, 2004

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Con Kolivas

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PATCH 4/5 requeue_granularity

requeue_granularity

Please include in at least 2 -mm releases

Change the granularity code to requeue tasks at their best priority instead of changing priority while they're running. This keeps tasks at their top interactive level during their whole timeslice.

Signed-off-by Con Kolivas <[email protected]>
kernel/sched.c +1 -3
Index: linux-2.6.10-rc1-mm3/kernel/sched.c
===================================================================
@@ -2506,10 +2506,8 @@ void scheduler_tick(void)
 			(p->time_slice >= TIMESLICE_GRANULARITY(p)) &&
 			(p->array == rq->active)) {
 
-			dequeue_task(p, rq->active);
+			requeue_task(p, rq->active);
 			set_tsk_need_resched(p);
-			p->prio = effective_prio(p);
-			enqueue_task(p, rq->active);
 		}
 	}
 out_unlock: