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Date:	Thu, 20 Mar 2014 07:06:48 +0000
From:	"Dilger, Andreas" <>
To:	Peter Zijlstra <>
CC:	Oleg Nesterov <>, Peng Tao <>,
	"Linux Kernel Mailing List" <>,
	Ingo Molnar <>,
	"Drokin, Oleg" <>
Subject: Re: [PATCH RFC] sched: introduce add_wait_queue_exclusive_head

On 2014/03/19, 1:55 PM, "Peter Zijlstra" <> wrote:

>On Wed, Mar 19, 2014 at 07:44:29PM +0000, Dilger, Andreas wrote:
>> The original reason for l_wait_event() not using TASK_UNINTERRUPTIBLE
>> is to avoid the load on the server continually being
>> regardless of whether they are actually doing something or not.  We
>> added various cases for periodic wakeups and such afterward.
>Hmm, maybe we should finally do the TASK_IDLE thing;

That looks pretty interesting, and appears to do what we need.

Cheers, Andreas
Andreas Dilger

Lustre Software Architect
Intel High Performance Data Division

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