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Date: Mon, 27 Apr 2009 12:15:37 -0400 (EDT)
From: Christoph Lameter <cl@linux.com>
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To: Dave Hansen <dave@linux.vnet.ibm.com>
cc: Eric B Munson <ebmunson@us.ibm.com>, akpm@linux-foundation.org,
       kosaki.motohiro@jp.fujitsu.com, linux-mm@kvack.org,
       linux-kernel@vger.kernel.org, mel@csn.ul.ie
Subject: Re: [PATCH] Display 0 in meminfo for Committed_AS when value
 underflows
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On Mon, 27 Apr 2009, Dave Hansen wrote:

> Yeah, this is the right fix for now until we can iron out the base
> issues.  Eric, I think this may also be a candidate for -stable.

Is there any way you could use a ZVC there? Those already have the
underflow prevention logic. See include/linux/vmstat.h and mm/vmstat.c