Date: Wed, 18 Aug 2010 11:13:03 -0500 (CDT)
From: Christoph Lameter <cl@linux-foundation.org>
To: Chris Webb <chris@arachsys.com>
cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
        Wu Fengguang <fengguang.wu@intel.com>,
        Minchan Kim <minchan.kim@gmail.com>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Pekka Enberg <penberg@cs.helsinki.fi>,
        Andi Kleen <andi@firstfloor.org>
Subject: Re: Over-eager swapping
In-Reply-To: <20100818155825.GA2370@arachsys.com>
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On Wed, 18 Aug 2010, Chris Webb wrote:

> > != 0.  And even then, zone reclaim should only reclaim file pages, not
> > anon.  In theory...
>
> Hi. This is zero on all our machines:
>
> # sysctl vm.zone_reclaim_mode
> vm.zone_reclaim_mode = 0

Set it to 1.

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