linux-kernel - Re: [PATCH 3.2 099/125] mm: fix crashes from mbind() merging vmas

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Date:	Tue, 8 Jul 2014 14:26:38 -0700 (PDT)
From:	Hugh Dickins <hughd@...gle.com>
To:	Ben Hutchings <ben@...adent.org.uk>
cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	akpm@...ux-foundation.org,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 3.2 099/125] mm: fix crashes from mbind() merging vmas

On Tue, 8 Jul 2014, Hugh Dickins wrote:
> On Tue, 8 Jul 2014, Ben Hutchings wrote:
> 
> > 3.2.61-rc1 review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: Hugh Dickins <hughd@...gle.com>
> > 
> > commit d05f0cdcbe6388723f1900c549b4850360545201 upstream.
> 
> I don't think that's correct, I can't see a change to the
> "vma = check_range(" in migrate_to_node() which 3.2 and 3.4 trees have.
> Does it build (without warning) with CONFIG_NUMA and CONFIG_MIGRATION?
> I expect this version I sent yesterday for 3.4.98 will be good for 3.2:

Hah, I now see that 098/125 in your series removes precisely the "vma = "
I was calling attention to.  So all should be okay and you can ignore me.

Hugh
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