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Date: Thu, 22 Apr 2010 15:03:47 +0900
From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
To: linux-mm <linux-mm@kvack.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Rik van Riel <riel@redhat.com>, Andi Kleen <andi@firstfloor.org>
Subject: Re: [BUG] rmap: fix page_address_in_vma() to walk through
 anon_vma_chain
Message-ID: <20100422060347.GA10601@spritzerA.linux.bs1.fc.nec.co.jp>
References: <20100422054241.GB10957@spritzerA.linux.bs1.fc.nec.co.jp>
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>                            mmap_sem      page_table_lock
>   mm/ksm.c:
>     write_protect_page()   hold          not hold
>     replace_page()         hold          not hold
>   mm/memory-failure.c:
>     add_to_kill()          not hold      hold
                                           ^^^^
Sorry, I misread here. This is "not hold".

Thanks,
Naoya Horiguchi