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From: Vincent Pelletier <vincent.plr@wanadoo.fr>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu
Subject: Re: [PATCH] sched.c: Be a bit more conservative in SMP
Date: Sun, 3 Sep 2006 19:10:56 +0200	[thread overview]
Message-ID: <200609031910.57259.vincent.plr@wanadoo.fr> (raw)
In-Reply-To: <200609031541.39984.subdino2004@yahoo.fr>

Forgot the signed-off-by line in previous mail. Reposting same patch just in 
case. CC to maintainer as advised in the FAQ.

Signed-off-by: Vincent Pelletier <vincent.plr@wanadoo.fr>

--- linux-2.6-2.6.17/kernel/sched.c     2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6-2.6.17-conservative/kernel/sched.c        2006-09-03
13:18:11.000000000 +0200
@@ -952,7 +952,7 @@ void kick_process(task_t *p)
 static inline unsigned long source_load(int cpu, int type)
 {
        runqueue_t *rq = cpu_rq(cpu);
-       unsigned long load_now = rq->nr_running * SCHED_LOAD_SCALE;
+       unsigned long load_now = (max(rq->nr_running - 1, 0)) *
SCHED_LOAD_SCALE;
        if (type == 0)
                return load_now;

-- 
VGER BF report: U 0.500348

  reply	other threads:[~2006-09-03 17:11 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-03 13:41 Vincent Pelletier
2006-09-03 17:10 ` Vincent Pelletier [this message]
2006-09-06 23:30   ` Vincent Pelletier
2006-09-19 14:06     ` Ludovic Drolez
2006-09-19 17:50       ` Antonio Vargas
2006-09-20  7:42         ` Ludovic Drolez
2006-09-20 16:26           ` Poor scheduling when not loaded at 100% (Was: [PATCH] sched.c: Be a bit more conservative in SMP) Ludovic Drolez
2006-09-21 18:36           ` [PATCH] sched.c: Be a bit more conservative in SMP Vincent Pelletier
2006-09-22  7:24             ` Ludovic Drolez
2006-09-22 12:31               ` Antonio Vargas
2006-09-19 13:39 ` Ludovic

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