linux-kernel - Re: [BUG] rmap: fix page_address_in_vma() to walk through anon_vma

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Message-ID: <20100422060347.GA10601@spritzerA.linux.bs1.fc.nec.co.jp>
Date:	Thu, 22 Apr 2010 15:03:47 +0900
From:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:	linux-mm <linux-mm@...ck.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [BUG] rmap: fix page_address_in_vma() to walk through
 anon_vma_chain

>                            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
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