On Wed, Oct 26, 2016 at 11:04 AM, Bob Peterson <rpeterso@xxxxxxxxxx> wrote:
>
> I can test it for you, if you give me about an hour.
I can definitely wait an hour, it would be lovely to see more testing.
Especially if you have a NUMA machine and an interesting workload.
And if you actually have that NUMA machine and a load that shows the
page_waietutu effects, it would also be lovely if you can then
_additionally_ test the patch that PeterZ wrote a few weeks ago, it
was on the mm list about a month ago:
Date: Thu, 29 Sep 2016 15:08:27 +0200
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Subject: Re: page_waitqueue() considered harmful
Message-ID: <20160929130827.GX5016@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
and if you don't find it I can forward it to you (Peter had a few
versions, that latest one is the one that looked best).
Linus
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