linux-kernel - Re: [PATCH] mm: vmpressure: make vmpressure

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Message-ID: <20160204202546.GB8208@cmpxchg.org>
Date:	Thu, 4 Feb 2016 15:25:46 -0500
From:	Johannes Weiner <hannes@...xchg.org>
To:	Martijn Coenen <maco@...gle.com>
Cc:	linux-mm@...ck.org, Anton Vorontsov <anton@...msg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.com>,
	Vladimir Davydov <vdavydov@...tuozzo.com>,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH] mm: vmpressure: make vmpressure_window a tunable.

On Thu, Feb 04, 2016 at 12:18:34PM +0100, Martijn Coenen wrote:
> I like this idea; I'm happy to come up with a window size and scaling
> factors that we think works well, and get your feedback on that. My
> only concern again would be that what works well for us may not work
> well for others.

Thanks for doing this. There is a good chance that this will work just
fine for others as well, so I think it's preferable to speculatively
change the implementation than adding ABI for potentially no reason.