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Date: Wed, 1 Nov 2017 17:31:16 +0900
From: Byungchul Park <byungchul.park@lge.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>, Dmitry Vyukov <dvyukov@google.com>,
        syzbot 
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        Thomas Gleixner <tglx@linutronix.de>, Vlastimil Babka <vbabka@suse.cz>,
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Subject: Re: possible deadlock in lru_add_drain_all
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On Tue, Oct 31, 2017 at 04:25:32PM +0100, Peter Zijlstra wrote:
> But this report only includes a single (cpu-up) part and therefore is

Thanks for fixing me, Peter. I thought '#1 -> #2' and '#2 -> #3', where
#2 is 'cpuhp_state', should have been built with two different classes
of #2 as the latest code. Sorry for confusing Michal.

> not affected by that change other than a lock name changing.