Date: Thu, 7 Jan 2010 16:34:39 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Stefani Seibold <stefani@seibold.net>,
       Ingo Molnar <mingo@elte.hu>, Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Alexey Dobriyan <adobriyan@gmail.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Randy Dunlap <randy.dunlap@oracle.com>
Subject: Re: [PATCH] proc: revert to show stack information in
 /proc/{pid}/status
Message-Id: <20100107163439.9962b3b1.akpm@linux-foundation.org>
In-Reply-To: <20100108091658.C127.A69D9226@jp.fujitsu.com>
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	<20100107135246.0849d609.akpm@linux-foundation.org>
	<20100108091658.C127.A69D9226@jp.fujitsu.com>
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On Fri,  8 Jan 2010 09:21:30 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:

> > On Thu, 31 Dec 2009 23:12:22 +0900 (JST)
> > KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> > 
> > > Thus, this patch revert it.
> > 
> > OK, thanks, I applied the full revert.
> > 
> > We can look at a new and less costly implementation of this feature for
> > 2.6.34 if desired.  In which case, all we have done is to delay the feature
> > by one release, which is not a big deal.
> 
> Thanks.
> 
> note: my patch isn't full revert too. Commit d899bf7b introduced two
> feature (btw, I don't like one patch have two feature).
> 
>  1) Add the annotattion of [thread stack: xxxx] mark to
>     /proc/{pid}/task/{tid}/maps.
>  2) Add StackUsage field to /proc/{pid}/status.
> 
> I only revert (2), because I haven't seen (1) cause regression.
> 
> 

Ah, thanks.  I've updated the patch title and changelog to reflect that.
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