linux-kernel - Re: [PATCH V2] MM: make vmpressure

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Message-ID: <1399606230.2497.7.camel@buesod1.americas.hpqcorp.net>
Date:	Thu, 08 May 2014 20:30:30 -0700
From:	Davidlohr Bueso <davidlohr@...com>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>, akpm <akpm@...ux-foundation.org>
Subject: Re: [PATCH V2] MM: make vmpressure_win dynamic

On Wed, 2014-05-07 at 22:52 +0200, Fabian Frederick wrote:
> Initialize vmpressure_win in vmstat using
> calculate_normal_threshold() based on each zone/cpu * SWAP_CLUSTER_SIZE
> 
> Value refreshed through cpu notifier and exposed in read-only through /sys/kernel

You need to describe the problem, with a proper changelog. What are you
trying to achieve/solve here?

> This is untested.

Hmm, why? It seems perfectly testable.

Thanks,
Davidlohr

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