linux-kernel - Re: [patch] sched: improve fairness, v3

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Message-ID: <20070331101143.GA14533@elte.hu>
Date:	Sat, 31 Mar 2007 12:11:43 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Xenofon Antidides <xantidides@...oo.gr>
Cc:	Mike Galbraith <efault@....de>, Con Kolivas <kernel@...ivas.org>,
	linux list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch] sched: improve fairness, v3


* Ingo Molnar <mingo@...e.hu> wrote:

> > also, could you possibly try these workloads you described with 
> > Mike's latest patch too? Thanks,
> 
> i.e. the one below.

plus the small patch below too.

	Ingo

Index: linux/kernel/sched.c
===================================================================
--- linux.orig/kernel/sched.c
+++ linux/kernel/sched.c
@@ -3491,7 +3491,7 @@ static inline int expired_starving(struc
 		return 1;
 	if (!STARVATION_LIMIT)
 		return 0;
-	if (jiffies - rq->switch_timestamp > STARVATION_LIMIT * rq->nr_running)
+	if (jiffies - rq->switch_timestamp > STARVATION_LIMIT)
 		return 1;
 	return 0;
 }
-
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