linux-kernel - Re: [PATCH v5 1/3] mm: cma: debugfs interface

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Message-Id: <20150218141816.08b534623efc62a778c38d27@linux-foundation.org>
Date:	Wed, 18 Feb 2015 14:18:16 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	iamjoonsoo.kim@....com, m.szyprowski@...sung.com,
	lauraa@...eaurora.org, s.strogin@...tner.samsung.com
Subject: Re: [PATCH v5 1/3] mm: cma: debugfs interface

On Thu, 12 Feb 2015 17:26:46 -0500 Sasha Levin <sasha.levin@...cle.com> wrote:

> Implement a simple debugfs interface to expose information about CMA areas
> in the system.

I'm not seeing any description of the proposed interface in changelog,
code comments or documentation.

- What files and directories are created?  Something like
  /debug/cma/cma-NN, where NN represents...  what?

- What are the debugfs file permissions?

- Example output along with any needed explanation?

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