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Date:   Thu, 18 Oct 2018 19:07:10 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Johannes Weiner <hannes@cmpxchg.org>
Cc:     Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Tejun Heo <tj@kernel.org>,
        Suren Baghdasaryan <surenb@google.com>,
        Daniel Drake <drake@endlessm.com>,
        Vinayak Menon <vinmenon@codeaurora.org>,
        Christopher Lameter <cl@linux.com>,
        Peter Enderborg <peter.enderborg@sony.com>,
        Shakeel Butt <shakeelb@google.com>,
        Mike Galbraith <efault@gmx.de>, linux-mm@kvack.org,
        cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel-team@fb.com
Subject: Re: [PATCH 0/9] psi: pressure stall information for CPU, memory,
 and IO v4
Message-Id: <20181018190710.fcea1c5f9c3b0c15d37ee762@linux-foundation.org>
In-Reply-To: <20180828172258.3185-1-hannes@cmpxchg.org>
References: <20180828172258.3185-1-hannes@cmpxchg.org>
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On Tue, 28 Aug 2018 13:22:49 -0400 Johannes Weiner <hannes@cmpxchg.org> wrote:

> This version 4 of the PSI series incorporates feedback from Peter and
> fixes two races in the lockless aggregator that Suren found in his
> testing and which caused the sample calculation to sometimes underflow
> and record bogusly large samples; details at the bottom of this email.

We've had very little in the way of review activity for the PSI
patchset.  According to the changelog tags, anyway.