From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH] vmscan: raise the bar to PAGEOUT_IO_SYNC stalls
Date: Sat, 31 Jul 2010 13:59:51 -0400
Message-ID: <20100731175951.GA17519@infradead.org>
References: <20100728071705.GA22964@localhost>
 <20100731161358.GA5147@localhost>
 <20100731173328.GA21072@infradead.org>
 <AANLkTi=+muw_2jWq1QKsxp6A_fAtdhdns7MD_bKQo-72@mail.gmail.com>
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Cc: Christoph Hellwig <hch@infradead.org>,
	Wu Fengguang <fengguang.wu@intel.com>,
	Andrew Morton <akpm@linux-foundation.org>, stable@kernel.org,
	Rik van Riel <riel@redhat.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Mel Gorman <mel@csn.ul.ie>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Dave Chinner <david@fromorbit.com>,
	Chris Mason <chris.mason@oracle.com>, Nick Piggin <npiggin@suse.de>,
	Johannes Weiner <hannes@cmpxchg.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Minchan Kim <minchan.kim@gmail.com>, Andreas Mohr <andi@lisas.de>,
	Bill Davidsen <davidsen@tmr.com>,
	Ben Gamari <bgamari.foss@gmail.com>,
	Christoph Lameter <cl@linux-foundation.org>
To: Pekka Enberg <penberg@cs.helsinki.fi>
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On Sat, Jul 31, 2010 at 08:55:57PM +0300, Pekka Enberg wrote:
> Do you have CONFIG_SLUB enabled? It does high order allocations by
> default for performance reasons.

Yes. This is a kernel using slub.

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