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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 20 Dec 2016 10:02:46 -0800
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Subject: Re: [RFC][PATCH] make global bitlock waitqueues per-node
To: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Bob Peterson <rpeterso@redhat.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Steven Whitehouse <swhiteho@redhat.com>,
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On Tue, Dec 20, 2016 at 9:31 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> I'll go back and try to see why the page flag contention patch didn't
> get applied.

Ahh, a combination of warring patches by Nick and PeterZ, and worry
about the page flag bits.

Damn. I had mentally marked this whole issue as "solved". But the fact
that we know how to solve it doesn't mean it's done.

               Linus