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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Minchan Kim <minchan@kernel.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: Tue, 29 Jan 2013 23:20:06 -0500	[thread overview]
Message-ID: <20130130042006.GA24538@kroah.com> (raw)
In-Reply-To: <1359333506-13599-1-git-send-email-minchan@kernel.org>

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'm dropping these from my to-apply queue now.

thanks,

greg k-h

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WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Minchan Kim <minchan@kernel.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: Tue, 29 Jan 2013 23:20:06 -0500	[thread overview]
Message-ID: <20130130042006.GA24538@kroah.com> (raw)
In-Reply-To: <1359333506-13599-1-git-send-email-minchan@kernel.org>

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'm dropping these from my to-apply queue now.

thanks,

greg k-h

  parent reply	other threads:[~2013-01-30  8:06 UTC|newest]

Thread overview: 28+ 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 ` 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   ` 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   ` Minchan Kim
2013-01-28  0:38 ` [RESEND PATCH v5 4/4] zram: get rid of lockdep warning Minchan Kim
2013-01-28  0:38   ` Minchan Kim
2013-01-28  7:16 ` [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write Pekka Enberg
2013-01-28  7:16   ` Pekka Enberg
2013-01-28 11:24   ` Jerome Marchand
2013-01-28 11:24     ` Jerome Marchand
2013-01-28 13:26     ` Pekka Enberg
2013-01-28 13:26       ` Pekka Enberg
2013-01-28 13:47       ` Jerome Marchand
2013-01-28 13:47         ` Jerome Marchand
2013-01-28 23:21   ` Minchan Kim
2013-01-28 23:21     ` Minchan Kim
2013-01-29  7:11     ` Pekka Enberg
2013-01-29  7:11       ` Pekka Enberg
2013-01-30  1:32       ` Minchan Kim
2013-01-30  1:32         ` Minchan Kim
2013-01-30  4:20 ` Greg Kroah-Hartman [this message]
2013-01-30  4:20   ` Greg Kroah-Hartman
2013-01-30  8:21   ` Minchan Kim
2013-01-30  8:21     ` Minchan Kim
2013-01-31  5:41     ` Minchan Kim
2013-01-31  5:41       ` Minchan Kim

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