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: <20140724085456.GA5733@hercules>
Date:	Thu, 24 Jul 2014 09:54:56 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	Hugh Dickins <hughd@...gle.com>
Cc:	Kamal Mostafa <kamal@...onical.com>, Jiri Slaby <jslaby@...e.cz>,
	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

On Wed, Jul 23, 2014 at 05:07:16PM -0700, 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.
> 

Awesome, I'll queue both for the 3.11 kernel as well.  Thanks Hugh!

Cheers,
--
Luís
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