linux-kernel - Re: [PATCH] compaction: fix deferring compaction mistake

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Message-ID: <20120809135053.GE10288@csn.ul.ie>
Date:	Thu, 9 Aug 2012 14:50:53 +0100
From:	Mel Gorman <mel@....ul.ie>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH] compaction: fix deferring compaction mistake

On Wed, Aug 08, 2012 at 09:57:44AM +0900, Minchan Kim wrote:
> [1] fixed bad deferring policy but made mistake about checking
> compact_order_failed in __compact_pgdat so it can't update
> compact_order_failed with new order. It ends up preventing working
> of deffering policy rightly. This patch fixes it.
> 
> [1] aff62249, vmscan: only defer compaction for failed order and higher
> 
> Cc: Rik van Riel <riel@...hat.com>
> Cc: Mel Gorman <mel@....ul.ie>
> Signed-off-by: Minchan Kim <minchan@...nel.org>

Acked-by: Mel Gorman <mel@....ul.ie>

-- 
Mel Gorman
SUSE Labs
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