linux-kernel - Re: [lkp-robot] [mm] aefd950b83: divide

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Message-ID: <20170531205812.GA17495@li70-116.members.linode.com>
Date:   Wed, 31 May 2017 20:58:13 +0000
From:   Josef Bacik <josef@...icpanda.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     kernel test robot <xiaolong.ye@...el.com>,
        Josef Bacik <josef@...icpanda.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Josef Bacik <jbacik@...com>, Rik van Riel <riel@...hat.com>,
        Johannes Weiner <hannes@...xchg.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: Re: [lkp-robot] [mm]  aefd950b83: divide_error:#[##]

On Wed, May 31, 2017 at 01:52:26PM -0700, Andrew Morton wrote:
> On Wed, 31 May 2017 14:31:16 +0800 kernel test robot <xiaolong.ye@...el.com> wrote:
> 
> > 
> > FYI, we noticed the following commit:
> > 
> > commit: aefd950b83d2d8cf4d3c270546c8725f866da191 ("mm: make kswapd try harder to keep active pages in cache")
> > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> > 
> > in testcase: boot
> > 
> > ...
> >
> > [  160.541829] divide error: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> >
> > ...
> >
> > [  160.587334] RIP: shrink_node+0x47f/0x5a0 RSP: ffffc900001bbd78
> >
> > ...
> 
> 
> hm.  This?
>

Actually Andrew can you just drop my patch for now, I need to rebase it onto
Johannes' new stuff anyway, I'll try and fix this stuff up too before I send it
to you again.  Thanks,

Josef