linux-kernel - Re: [PATCH 2/2] mm/compaction: cleanup isolate

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Message-ID: <20140416015314.GB17841@js1304-P5Q-DELUXE>
Date:	Wed, 16 Apr 2014 10:53:15 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Vlastimil Babka <vbabka@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Heesub Shin <heesub.shin@...sung.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Dongjun Shin <d.j.shin@...sung.com>,
	Sunghwan Yun <sunghwan.yun@...sung.com>,
	Minchan Kim <minchan@...nel.org>, Mel Gorman <mgorman@...e.de>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Michal Nazarewicz <mina86@...a86.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Christoph Lameter <cl@...ux.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 2/2] mm/compaction: cleanup isolate_freepages()

On Tue, Apr 15, 2014 at 11:18:27AM +0200, Vlastimil Babka wrote:
> isolate_freepages() is currently somewhat hard to follow thanks to many
> different pfn variables. Especially misleading is the name 'high_pfn' which
> looks like it is related to the 'low_pfn' variable, but in fact it is not.
> 
> This patch renames the 'high_pfn' variable to a hopefully less confusing name,
> and slightly changes its handling without a functional change. A comment made
> obsolete by recent changes is also updated.
> 
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
> Cc: Minchan Kim <minchan@...nel.org>
> Cc: Mel Gorman <mgorman@...e.de>
> Cc: Joonsoo Kim <iamjoonsoo.kim@....com>
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> Cc: Michal Nazarewicz <mina86@...a86.com>
> Cc: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> Cc: Christoph Lameter <cl@...ux.com>
> Cc: Rik van Riel <riel@...hat.com>
> ---
>  mm/compaction.c | 17 ++++++++---------
>  1 file changed, 8 insertions(+), 9 deletions(-)

Acked-by: Joonsoo Kim <iamjoonsoo.kim@....com>
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