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Date: Wed, 31 May 2017 13:14:50 -0400
From: Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH 5/6] mm: memcontrol: per-lruvec stats infrastructure
Message-ID: <20170531171450.GA10481@cmpxchg.org>
References: <20170530181724.27197-1-hannes@cmpxchg.org>
 <20170530181724.27197-6-hannes@cmpxchg.org>
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: Josef Bacik <josef@toxicpanda.com>, Michal Hocko <mhocko@suse.com>, Vladimir Davydov <vdavydov.dev@gmail.com>, Rik van Riel <riel@redhat.com>, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com

Andrew, the 0day tester found a crash with this when special pages get
faulted. They're not charged to any cgroup and we'll deref NULL.

Can you include the following fix on top of this patch please? Thanks!

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