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Date: Wed, 31 May 2017 12:02:10 -0700
From: Tony Lindgren <tony@atomide.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
        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, Russell King <rmk@armlinux.org.uk>,
        Yury Norov <ynorov@caviumnetworks.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH 5/6] mm: memcontrol: per-lruvec stats infrastructure
Message-ID: <20170531190209.GK3730@atomide.com>
References: <20170530181724.27197-1-hannes@cmpxchg.org>
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 <20170531171450.GA10481@cmpxchg.org>
 <20170531111821.14ebeee4a4181583fe6fac46@linux-foundation.org>
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* Andrew Morton <akpm@linux-foundation.org> [170531 11:21]:
> On Wed, 31 May 2017 13:14:50 -0400 Johannes Weiner <hannes@cmpxchg.org> wrote:
> 
> > 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!
> 
> OK.  But this won't fix the init ordering crash which the arm folks are
> seeing?

That's correct, the ordering crash is a separate problem.

> I'm wondering if we should ask Stephen to drop
> 
> mm-vmstat-move-slab-statistics-from-zone-to-node-counters.patch
> mm-memcontrol-use-the-node-native-slab-memory-counters.patch
> mm-memcontrol-use-generic-mod_memcg_page_state-for-kmem-pages.patch
> mm-memcontrol-per-lruvec-stats-infrastructure.patch
> mm-memcontrol-account-slab-stats-per-lruvec.patch
> 
> until that is sorted?

Seems like a good idea.

Regards,

Tony