linux-kernel - Re: [PATCH] Display 0 in meminfo for Committed

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Message-Id: <20090427125208.94730dd8.akpm@linux-foundation.org>
Date:	Mon, 27 Apr 2009 12:52:08 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>
Cc:	ebmunson@...ibm.com, kosaki.motohiro@...fujitsu.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org, mel@....ul.ie,
	cl@...ux-foundation.org
Subject: Re: [PATCH] Display 0 in meminfo for Committed_AS when value
 underflows

On Mon, 27 Apr 2009 09:15:14 -0700
Dave Hansen <dave@...ux.vnet.ibm.com> wrote:

> On Mon, 2009-04-27 at 17:10 +0100, Eric B Munson wrote:
> > Splitting this patch from the chunk that addresses the cause of the underflow
> > because the solution still requires some discussion.
> > 
> > Dave Hansen reported that under certain cirumstances the Committed_AS value
> > can underflow which causes extremely large numbers to be displayed in
> > meminfo.  This patch adds an underflow check to meminfo_proc_show() for the
> > Committed_AS value.  Most fields in /proc/meminfo already have an underflow
> > check, this brings Committed_AS into line.
> 
> 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.
> 
> Signed-off-by: Dave Hansen <dave@...ux.vnet.ibm.com>

I cannot find Eric's original patch anywhere.  Did some demented MTA munch it?

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