linux-kernel - Re: [PATCH 16/18] sched: Avoid overloading CPUs on a preferred NUMA node

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Date:	Wed, 17 Jul 2013 12:54:23 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mel Gorman <mgorman@...e.de>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...nel.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 16/18] sched: Avoid overloading CPUs on a preferred NUMA
 node

On Mon, Jul 15, 2013 at 04:20:18PM +0100, Mel Gorman wrote:
> +static long effective_load(struct task_group *tg, int cpu, long wl, long wg);

And this -- which suggests you always build with cgroups enabled? I generally
try and disable all that nonsense when building new stuff, the scheduler is a
'lot' simpler that way. Once that works make it 'interesting' again.

---

--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3367,8 +3367,7 @@ static long effective_load(struct task_g
 }
 #else
 
-static unsigned long effective_load(struct task_group *tg, int cpu,
-		unsigned long wl, unsigned long wg)
+static long effective_load(struct task_group *tg, int cpu, long wl, long wg)
 {
 	return wl;
 }

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