linux-kernel - Re: [PATCH 07/21] mm: Use refcounts for page_lock_anon

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Message-Id: <20101130102137.82F2.A69D9226@jp.fujitsu.com>
Date:	Tue, 30 Nov 2010 10:21:09 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Avi Kivity <avi@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rik van Riel <riel@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	akpm@...ux-foundation.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	linux-mm@...ck.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	David Miller <davem@...emloft.net>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Mel Gorman <mel@....ul.ie>, Nick Piggin <npiggin@...nel.dk>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Yanmin Zhang <yanmin_zhang@...ux.intel.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH 07/21] mm: Use refcounts for page_lock_anon_vma()

> On Fri, 26 Nov 2010 15:38:50 +0100
> Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> 
> > Convert page_lock_anon_vma() over to use refcounts. This is
> > done for each of convertion of anon_vma from spinlock to mutex.
> > 
> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> 
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> 
> Does this patch affect only page_referenced() and try_to_unmap() ?

I like this conversion too.
	Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>




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