linux-kernel - Re: [patch for-4.7] mm, compaction: prevent VM_BUG

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Message-ID: <20160706015511.GA13566@bbox>
Date:	Wed, 6 Jul 2016 10:55:11 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
CC:	David Rientjes <rientjes@...gle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
	<hughd@...gle.com>, <mgorman@...hsingularity.net>,
	<stable@...r.kernel.org>
Subject: Re: [patch for-4.7] mm, compaction: prevent VM_BUG_ON when
 terminating freeing scanner

On Wed, Jul 06, 2016 at 10:41:09AM +0900, Joonsoo Kim wrote:

< snip >
> > Do you have any objection to this fix for 4.7?
> > 
> > Joonson and/or Minchan, does this address the issue that you reported?
> 
> Unfortunately, I have no test case to trigger it. But, I think that
> this patch will address it. Anyway, I commented one problem on this

I just queued this patch into my testing machine which triggered the
problem so let's wait. It triggered in 6 hours most of time.

Thanks.