linux-kernel - Re: [PATCH] mm: vmscan: Correctly check if reclaimer should schedule during shrink

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Message-ID: <BANLkTin0Qdp4S8RdkAGJD0L5zvHwftvZog@mail.gmail.com>
Date:	Fri, 20 May 2011 09:06:55 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Colin Ian King <colin.king@...onical.com>
Cc:	Mel Gorman <mgorman@...e.de>, akpm@...ux-foundation.org,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	raghu.prabhu13@...il.com, jack@...e.cz, chris.mason@...cle.com,
	cl@...ux.com, penberg@...nel.org, riel@...hat.com,
	hannes@...xchg.org, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] mm: vmscan: Correctly check if reclaimer should schedule
 during shrink_slab

On Thu, May 19, 2011 at 8:36 PM, Colin Ian King
<colin.king@...onical.com> wrote:
> On Thu, 2011-05-19 at 09:09 +0900, Minchan Kim wrote:
>> Hi Colin.
>>
>> Sorry for bothering you. :(
>
> No problem at all, I've very happy to re-test.
>
>> I hope this test is last.
>>
>> We(Mel, KOSAKI and me) finalized opinion.
>>
>> Could you test below patch with patch[1/4] of Mel's series(ie,
>> !pgdat_balanced  of sleeping_prematurely)?
>> If it is successful, we will try to merge this version instead of
>> various cond_resched sprinkling version.
>
> tested with the patch below + patch[1/4] of Mel's series.  300 cycles,
> 2.5 hrs of soak testing: works OK.
>
> Colin

Thanks, Colin.
We are approaching the conclusion for  your help. :)

Mel, KOSAKI.
I will ask test to Andrew Lutomirski.
If he doesn't have a problem, let's go, then.

-- 
Kind regards,
Minchan Kim
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