Messages in this thread Patch in this message | | | Date | Wed, 03 Nov 2004 01:02:47 +1100 | From | Con Kolivas <> | Subject | [PATCH] requeue at granularity intervals |
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requeue at granularity intervals
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 <kernel@kolivas.org>
Index: linux-2.6.10-rc1-mm2/kernel/sched.c =================================================================== --- linux-2.6.10-rc1-mm2.orig/kernel/sched.c 2004-11-03 00:55:48.638171430 +1100 +++ linux-2.6.10-rc1-mm2/kernel/sched.c 2004-11-03 00:57:50.863711719 +1100 @@ -2476,10 +2476,8 @@ 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: [unhandled content-type:application/pgp-signature] | |