linux-kernel - Re: [PATCH] Make SPLIT_RSS

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Date:   Fri, 4 Oct 2019 16:43:25 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Daniel Colascione <dancol@...gle.com>
Cc:     "Kirill A. Shutemov" <kirill@...temov.name>, Qian Cai <cai@....pw>,
        Tim Murray <timmurray@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH] Make SPLIT_RSS_COUNTING configurable

On Fri 04-10-19 06:45:21, Daniel Colascione wrote:
[...]
> Nobody has demonstrated that split RSS accounting actually helps in
> the real world. But I've described above, concretely, how split RSS
> accounting hurts. I've been trying for over a year to either disable
> split RSS accounting or to let people opt out of it. If you won't
> remove split RSS accounting and you won't let me add a configuration
> knob that lets people opt out of it, what will you accept?

What is an argument to keep it around?

-- 
Michal Hocko
SUSE Labs