linux-kernel - Re: [PATCH 0/5] Memory policy corruption fixes V2

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Message-ID: <20120907094300.GY11266@suse.de>
Date:	Fri, 7 Sep 2012 10:43:00 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Josh Boyer <jwboyer@...il.com>
Cc:	Dave Jones <davej@...hat.com>, Christoph Lameter <cl@...ux.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Andi Kleen <ak@...ux.intel.com>,
	Hugh Dickins <hughd@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-MM <linux-mm@...ck.org>
Subject: Re: [PATCH 0/5] Memory policy corruption fixes V2

On Thu, Sep 06, 2012 at 08:40:21AM -0400, Josh Boyer wrote:
> On Tue, Aug 21, 2012 at 3:29 AM, Mel Gorman <mgorman@...e.de> wrote:
> > On Mon, Aug 20, 2012 at 05:36:29PM +0100, Mel Gorman wrote:
> >> This is a rebase with some small changes to Kosaki's "mempolicy memory
> >> corruption fixlet" series. I had expected that Kosaki would have revised
> >> the series by now but it's been waiting a long time.
> >>
> >> Changelog since V1
> >> o Rebase to 3.6-rc2
> >> o Editted some of the changelogs
> >> o Converted sp->lock to sp->mutex to close a race in shared_policy_replace()
> >> o Reworked the refcount imbalance fix slightly
> >> o Do not call mpol_put in shmem_alloc_page.
> >>
> >> I tested this with trinity with CONFIG_DEBUG_SLAB enabled and it passed. I
> >> did not test LTP such as Josh reported a problem with or with a database that
> >> used shared policies like Andi tested. The series is almost all Kosaki's
> >> work of course. If he has a revised series that simply got delayed in
> >> posting it should take precedence.
> >
> > I meant to add Josh to the cc, adding him now.
> 
> Thank you.
> 
> I see Andi has done some testing and Acked this patchset.  Christoph
> appears to have Acked it as well.  Is there anything else needed for
> it to get in mainline? 

Not that I'm aware of.

> Just want to make sure this doesn't get dropped
> because we all forgot about it after KS/Plumbers.
> 

Right now it's in linux-next via Andrew. Bar major surprises I expect
it'll end up in mainline in due course. When it does, I'll do a -stable
backport.

-- 
Mel Gorman
SUSE Labs
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