linux-kernel - Re: [PATCH 1/4] pull out the page pre-release and sanity check logic for reuse

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Message-Id: <20080905105124.5A44.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Fri, 05 Sep 2008 10:52:10 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Andy Whitcroft <apw@...dowen.org>
Cc:	kosaki.motohiro@...fujitsu.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Mel Gorman <mel@....ul.ie>
Subject: Re: [PATCH 1/4] pull out the page pre-release and sanity check logic for reuse

> When we are about to release a page we perform a number of actions
> on that page.  We clear down any anonymous mappings, confirm that
> the page is safe to release, check for freeing locks, before mapping
> the page should that be required.  Pull this processing out into a
> helper function for reuse in a later patch.
> 
> Note that we do not convert the similar cleardown in free_hot_cold_page()
> as the optimiser is unable to squash the loops during the inline.
> 
> Signed-off-by: Andy Whitcroft <apw@...dowen.org>

Acked-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>





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