linux-kernel - Re: [PATCH] proc: revert to show stack information in /proc/{pid}/status

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Message-Id: <20100107163439.9962b3b1.akpm@linux-foundation.org>
Date:	Thu, 7 Jan 2010 16:34:39 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Stefani Seibold <stefani@...bold.net>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Alexey Dobriyan <adobriyan@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Randy Dunlap <randy.dunlap@...cle.com>
Subject: Re: [PATCH] proc: revert to show stack information in
 /proc/{pid}/status

On Fri,  8 Jan 2010 09:21:30 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> > On Thu, 31 Dec 2009 23:12:22 +0900 (JST)
> > KOSAKI Motohiro <kosaki.motohiro@...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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