linux-kernel - Re: [PATCH 5/6] sched: Use leaf_cfs_rqs in load_balance

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Message-ID: <4E1F1D7F.50904@cs.tu-berlin.de>
Date:	Thu, 14 Jul 2011 18:46:55 +0200
From:	Jan Schönherr <schnhrr@...tu-berlin.de>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] sched: Use leaf_cfs_rqs in load_balance_fair()

Am 13.07.2011 22:44, schrieb Peter Zijlstra:
> On Wed, 2011-07-13 at 20:13 +0200, Jan H. Schönherr wrote:
>> Since commit 3d4b47b4 ("sched: Implement on-demand (active) cfs_rq list")
>> the leaf_cfs_rqs provide an advantage over the task_group list.
>>
>> Make use of it in load_balance_fair(), so that we do not unnecessarily
>> iterate over empty cfs_rqs where we cannot pull anything from.
> 
> I just send a similar patch today:
> 
> https://lkml.org/lkml/2011/7/13/94

Yes. I've seen that too late.

Sorry for the noise.

Regards
Jan


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