linux-kernel - Re: possible regression on 3.13 when calling flush_dcache

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Date:	Thu, 9 Jan 2014 16:16:56 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>
Subject: Re: possible regression on 3.13 when calling flush_dcache_page

On Mon, Jan 06, 2014 at 10:34:09AM +0100, Ludovic Desroches wrote:
> On Mon, Jan 06, 2014 at 09:26:48AM +0900, Joonsoo Kim wrote:
> > On Fri, Jan 03, 2014 at 03:54:04PM +0100, Ludovic Desroches wrote:
> > > Hi,
> > > 
> > > On Tue, Dec 24, 2013 at 03:38:37PM +0900, Joonsoo Kim wrote:
> > > 
> > > [...]
> > > 
> > > > > > > > > I think that this commit may not introduce a bug. This patch remove one
> > > > > > > > > variable on slab management structure and replace variable name. So there
> > > > > > > > > is no functional change.
> > > 
> > > You are right, the commit given by git bisect was not the good one...
> > > Since I removed other patches done on top of it, I thought it really was
> > > this one but in fact it is 8456a64.
> > 
> > Okay. It seems more reasonable to me.
> > I guess that this is the same issue with following link.
> > http://lkml.org/lkml/2014/1/4/81
> > 
> > And, perhaps, that patch solves your problem. But I'm not sure that it is the
> > best solution for this problem. I should discuss with slab maintainers.
> 
> Yes this patch solves my problem.
> 
> > 
> > I will think about this problem more deeply and report the solution to you
> > as soon as possible.
> 
> Ok thanks.
> 

Hello,

That patch will be merged through Andrew's tree.
Use it to fix your problem :)

Thanks.
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