linux-kernel - Re: [PATCH 1/3] When migrate_pages returns 0, all pages must have been released

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Message-ID: <20110126081414.GK18984@csn.ul.ie>
Date:	Wed, 26 Jan 2011 08:14:14 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [PATCH 1/3] When migrate_pages returns 0, all pages must have
	been released

On Fri, Jan 21, 2011 at 01:17:05AM +0900, Minchan Kim wrote:
> From: Andrea Arcangeli <aarcange@...hat.com>
> 
> From: Andrea Arcangeli <aarcange@...hat.com>
> 
> In some cases migrate_pages could return zero while still leaving a
> few pages in the pagelist (and some caller wouldn't notice it has to
> call putback_lru_pages after commit
> cf608ac19c95804dc2df43b1f4f9e068aa9034ab).
> 
> Add one missing putback_lru_pages not added by commit
> cf608ac19c95804dc2df43b1f4f9e068aa9034ab.
> 
> Reviewed-by: Minchan Kim <minchan.kim@...il.com>
> Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>

Better late than never;

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

-- 
Mel Gorman
Linux Technology Center
IBM Dublin Software Lab
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