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

[Andrew Morton]

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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