linux-kernel - Re: [PATCH] mm: cma: fix accounting of CMA pages placed in high memory

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Date:	Tue, 5 Feb 2013 08:28:22 +0000
From:	Mel Gorman <mgorman@...e.de>
To:	Kyungmin Park <kmpark@...radead.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	minchan@...nel.org
Subject: Re: [PATCH] mm: cma: fix accounting of CMA pages placed in high
 memory

On Tue, Feb 05, 2013 at 08:29:26AM +0900, Kyungmin Park wrote:
> >
> > (This information is needed so that others can make patch-scheduling
> > decisions and should be included in all bugfix changelogs unless it is
> > obvious).
> 
> CMA Highmem support is new feature. so don't need to go stable tree.
> 

You could have given a lot more information to that question!

How new a feature is it? Does this mean that this patch must go in before
3.8 releases or is it a fix against a patch that is only in Andrew's tree?
If the patch is only in Andrew's tree, which one is it and should this be
folded in as a fix?

On a semi-related note; is there a plan for backporting highmem support for
the LTSI kernel considering it's aimed at embedded and CMA was highlighted
in their announcment for 3.4 support?

-- 
Mel Gorman
SUSE Labs
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