linux-kernel - Re: [PATCH v2 0/3] mm: huge pages: Misc fixes for issues found during fuzzing

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Date:   Mon, 19 Jun 2017 10:35:18 +0100
From:   Will Deacon <will.deacon@....com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        mark.rutland@....com, kirill.shutemov@...ux.intel.com,
        Punit.Agrawal@....com, mgorman@...e.de, steve.capper@....com,
        vbabka@...e.cz
Subject: Re: [PATCH v2 0/3] mm: huge pages: Misc fixes for issues found
 during fuzzing

On Thu, Jun 15, 2017 at 01:32:52PM -0700, Andrew Morton wrote:
> On Tue, 13 Jun 2017 11:28:39 +0100 Will Deacon <will.deacon@....com> wrote:
> 
> > This is v2 of the patches previously posted here:
> > 
> >    http://www.spinics.net/lists/linux-mm/msg128577.html
> > 
> > Changes since v1 include:
> > 
> >   * Use smp_mb() instead of smp_mb__before_atomic() before atomic_set()
> >   * Added acks and fixes tag
> > 
> > Feedback welcome,
> > 
> > Will
> > 
> > --->8
> > 
> > Mark Rutland (1):
> >   mm: numa: avoid waiting on freed migrated pages
> > 
> > Will Deacon (2):
> >   mm/page_ref: Ensure page_ref_unfreeze is ordered against prior
> >     accesses
> >   mm: migrate: Stabilise page count when migrating transparent hugepages
> 
> I marked [1/3] for -stable backporting and held the other two for
> 4.13-rc1.  Maybe that wasn't appropriate...

I think that's about right. Patches 2 and 3 fix issues found by inspection,
rather than something we've knowingly run into.

Thanks,

Will