linux-kernel - Re: [PATCH v5 1/4] zram: Fix deadlock bug in partial write

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Message-ID: <CAPkvG_f2mDr2p=ypqcikeNMRoE3tK1-kDjLWyz6bb9yQUpGgZQ@mail.gmail.com>
Date:	Tue, 22 Jan 2013 15:58:10 -0800
From:	Nitin Gupta <ngupta@...are.org>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Pekka Enberg <penberg@...helsinki.fi>, jmarchan@...hat.com,
	stable@...r.kernel.org
Subject: Re: [PATCH v5 1/4] zram: Fix deadlock bug in partial write

On Tue, Jan 22, 2013 at 3:52 PM, Minchan Kim <minchan@...nel.org> 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: Jerome Marchand <jmarchan@...hat.com>
> Cc: stable@...r.kernel.org
> Acked-by: Nitin Gupta <ngupta@...are.org>
> Signed-off-by: Minchan Kim <minchan@...nel.org>
> ---
>  drivers/staging/zram/zram_drv.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>

Changelog for v4 vs v5?

Thanks,
Nitin
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