linux-kernel - Re: [PATCH 3/3] mm: slub: Default slub_max

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Message-ID: <20110513100556.GB3569@suse.de>
Date:	Fri, 13 May 2011 11:05:56 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Pekka Enberg <penberg@...nel.org>
Cc:	James Bottomley <James.Bottomley@...senpartnership.com>,
	Christoph Lameter <cl@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Colin King <colin.king@...onical.com>,
	Raghavendra D Prabhu <raghu.prabhu13@...il.com>,
	Jan Kara <jack@...e.cz>, Chris Mason <chris.mason@...cle.com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH 3/3] mm: slub: Default slub_max_order to 0

On Fri, May 13, 2011 at 09:16:24AM +0300, Pekka Enberg wrote:
> Hi,
> 
> On Thu, May 12, 2011 at 11:04 PM, James Bottomley
> <James.Bottomley@...senpartnership.com> wrote:
> > Confirmed, I'm afraid ... I can trigger the problem with all three
> > patches under PREEMPT.  It's not a hang this time, it's just kswapd
> > taking 100% system time on 1 CPU and it won't calm down after I unload
> > the system.
> 
> OK, that's good to know. I'd still like to take patches 1-2, though. Mel?
> 

Wait for a V2 please. __GFP_REPEAT should also be removed.

-- 
Mel Gorman
SUSE Labs
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