From: Minchan Kim <minchan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Dan Magenheimer <dan.magenheimer@oracle.com>,
Nitin Gupta <ngupta@vflare.org>,
Konrad Rzeszutek Wilk <konrad@darnok.org>,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
stable@vger.kernel.org, Jerome Marchand <jmarchan@redhat.com>
Subject: Re: [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write
Date: Thu, 31 Jan 2013 14:41:23 +0900 [thread overview]
Message-ID: <20130131054123.GE23548@blaptop> (raw)
In-Reply-To: <20130130082112.GA23548@blaptop>
On Wed, Jan 30, 2013 at 05:21:12PM +0900, Minchan Kim wrote:
> Hi Greg,
>
> On Tue, Jan 29, 2013 at 11:20:06PM -0500, Greg Kroah-Hartman wrote:
> > On Mon, Jan 28, 2013 at 09:38:23AM +0900, Minchan Kim wrote:
> > > Now zram allocates new page with GFP_KERNEL in zram I/O path
> > > if IO is partial. Unfortunately, It may cuase deadlock with
> > > reclaim path so this patch solves the problem.
> > >
> > > Cc: stable@vger.kernel.org
> > > Cc: Jerome Marchand <jmarchan@redhat.com>
> > > Acked-by: Nitin Gupta <ngupta@vflare.org>
> > > Signed-off-by: Minchan Kim <minchan@kernel.org>
> > > ---
> > > drivers/staging/zram/zram_drv.c | 4 ++--
> > > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > Due to the discussion on this series, I don't know what patch to apply,
> > so care to do a v6 of this with the patches that everyone has finally
> > agreed on?
>
> I already sent v6.
> https://lkml.org/lkml/2013/1/29/680
Greg, If you have a trouble to merge it, let me know it.
Will resend it when linux-next comes in.
Thanks.
--
Kind regards,
Minchan Kim
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prev parent reply other threads:[~2013-01-31 5:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-28 0:38 [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write Minchan Kim
2013-01-28 0:38 ` [RESEND PATCH v5 2/4] zram: force disksize setting before using zram Minchan Kim
2013-01-28 0:38 ` [RESEND PATCH v5 3/4] zram: give up lazy initialization of zram metadata Minchan Kim
2013-01-28 0:38 ` [RESEND PATCH v5 4/4] zram: get rid of lockdep warning Minchan Kim
2013-01-28 7:16 ` [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write Pekka Enberg
2013-01-28 11:24 ` Jerome Marchand
2013-01-28 13:26 ` Pekka Enberg
2013-01-28 13:47 ` Jerome Marchand
2013-01-28 23:21 ` Minchan Kim
2013-01-29 7:11 ` Pekka Enberg
2013-01-30 1:32 ` Minchan Kim
2013-01-30 4:20 ` Greg Kroah-Hartman
2013-01-30 8:21 ` Minchan Kim
2013-01-31 5:41 ` Minchan Kim [this message]
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