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

From: Andrew Morton
Date: Wed Feb 18 2015 - 17:18:22 EST

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