linux-kernel - Re: [PATCH] fs, proc: Add start_data, end_data, start

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Message-Id: <20111206140833.3b43fbeb.akpm@linux-foundation.org>
Date:	Tue, 6 Dec 2011 14:08:33 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
Cc:	Tejun Heo <tj@...nel.org>, Andrew Vagin <avagin@...nvz.org>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Vasiliy Kulikov <segoon@...nwall.com>,
	Kees Cook <keescook@...omium.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fs, proc: Add start_data, end_data, start_brk members
 to /proc/$pid/stat v2

On Mon, 5 Dec 2011 22:20:11 +0400
Cyrill Gorcunov <gorcunov@...nvz.org> wrote:

> It helps to dump and restore this mm_struct members.

Sorry, I'm not going to apply a patch with a changelog like that.

It needs a full description of how this will be used and why it is
needed.  So that others can understand and evaluate the proposal, and
any possible alternatives.

Such a description would also let us see whether this is just some
"hey, maybe we'll use this sometime" thing, in which case it should not
yet be applied.

>  fs/proc/array.c |    7 +++++--

Also, every change to any procfs interface should have an associated
change to procfs documentation.  If no relevant document exists then
heck, write one.  No exceptions.

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