linux-kernel - Re: [WiP]: aio support for migrating pages (Re: [PATCH V2 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non

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Message-ID: <20130704114153.GD11006@kvack.org>
Date:	Thu, 4 Jul 2013 07:41:53 -0400
From:	Benjamin LaHaise <bcrl@...ck.org>
To:	Gu Zheng <guz.fnst@...fujitsu.com>
Cc:	Tang Chen <tangchen@...fujitsu.com>, Mel Gorman <mgorman@...e.de>,
	Minchan Kim <minchan@...nel.org>, akpm@...ux-foundation.org,
	viro@...iv.linux.org.uk, khlebnikov@...nvz.org, walken@...gle.com,
	kamezawa.hiroyu@...fujitsu.com, riel@...hat.com,
	rientjes@...gle.com, isimatu.yasuaki@...fujitsu.com,
	wency@...fujitsu.com, laijs@...fujitsu.com, jiang.liu@...wei.com,
	zab@...hat.com, jmoyer@...hat.com, linux-mm@...ck.org,
	linux-aio@...ck.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [WiP]: aio support for migrating pages (Re: [PATCH V2 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non_movable())

On Thu, Jul 04, 2013 at 02:51:18PM +0800, Gu Zheng wrote:
> Hi Ben,
>       When I test your patch on kernel 3.10, the kernel panic when aio job
> complete or exit, exactly in aio_free_ring(), the following is a part of dmesg.

What is your test case?

		-ben
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