linux-kernel - Re: [PATCH 1/4] hugetlb, rmap: always use anon

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Message-ID: <4C8A4353.5050802@redhat.com>
Date:	Fri, 10 Sep 2010 10:40:19 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Christoph Lameter <cl@...ux.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andi Kleen <andi@...stfloor.org>, linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH 1/4] hugetlb, rmap: always use anon_vma root pointer

On 09/10/2010 12:23 AM, Naoya Horiguchi wrote:
> This patch applies Andrea's fix given by the following patch into hugepage
> rmapping code:
>
>    commit 288468c334e98aacbb7e2fb8bde6bc1adcd55e05
>    Author: Andrea Arcangeli<aarcange@...hat.com>
>    Date:   Mon Aug 9 17:19:09 2010 -0700
>
> This patch uses anon_vma->root and avoids unnecessary overwriting when
> anon_vma is already set up.
>
> Signed-off-by: Naoya Horiguchi<n-horiguchi@...jp.nec.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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