linux-kernel - Re: [PATCH 3.8 107/116] hugetlb: fix copy_hugetlb_page_range() to handle migration/hwpoisoned entry

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Message-ID: <53F37105.1000200@suse.cz>
Date:	Tue, 19 Aug 2014 17:45:09 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	Hugh Dickins <hughd@...gle.com>,
	Kamal Mostafa <kamal@...onical.com>
CC:	Luis Henriques <luis.henriques@...onical.com>,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Christoph Lameter <cl@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 3.8 107/116] hugetlb: fix copy_hugetlb_page_range() to
 handle migration/hwpoisoned entry

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On 07/24/2014, 02:07 AM, Hugh Dickins wrote:
> On Wed, 23 Jul 2014, Kamal Mostafa wrote:
>> On Tue, 2014-07-22 at 16:08 -0700, Hugh Dickins wrote:
>>> On Tue, 22 Jul 2014, Kamal Mostafa wrote:
>>> 
>>>> 3.8.13.27 -stable review patch.  If anyone has any
>>>> objections, please let me know.
>>>> 
>>>> ------------------
>>>> 
>>>> From: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
>>>> 
>>>> commit 4a705fef986231a3e7a6b1a6d3c37025f021f49f upstream.
>>>> 
>>>> There's a race between fork() and hugepage migration, as a
>>>> result we try [...]
>>> 
>>> Please drop this one for now: other -stables have carried it,
>>> but it was found last week to contain a bug of its own,
>>> arguably worse than what it's fixing.  Naoya-san has done the
>>> fix for that, it's in mmotm and should make its way to Linus
>>> probably this week: so please hold this back until that can
>>> join it - thanks.
>>> 
>>> Hugh
>> 
>> OK, I've dropped it from the 3.8-stable queue, and will watch for
>> the fix to land.  Thanks very much, Hugh!
> 
> commit 0253d634e0803a8376a0d88efee0bf523d8673f9 Author: Naoya
> Horiguchi <n-horiguchi@...jp.nec.com> Date:   Wed Jul 23 14:00:19
> 2014 -0700 mm: hugetlb: fix copy_hugetlb_page_range()
> 
> is now in Linus's tree: so the original patch is good to go into 
> your -stables, so long as you add 0253d634e080 on top.

So I have queued both to 3.12 now. Thanks.

- -- 
js
suse labs
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