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Message-ID: <1291063283.32004.364.camel@laptop>
Date: Mon, 29 Nov 2010 21:41:23 +0100
From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: 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 Mon, 2010-11-29 at 11:35 +0900, KAMEZAWA Hiroyuki wrote:
> 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() ?
git grep page_lock_anon_vma reveals that
mm/memory-failure.c:collect_procs_anon() is also affected.
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