linux-kernel - Re: [PATCH V3] MM: make vmpressure

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Message-ID: <1399920032.2648.33.camel@buesod1.americas.hpqcorp.net>
Date:	Mon, 12 May 2014 11:40:32 -0700
From:	Davidlohr Bueso <davidlohr@...com>
To:	Fabian Frederick <fabf@...net.be>
Cc:	Michal Hocko <mhocko@...e.cz>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>, akpm <akpm@...ux-foundation.org>,
	Li Zefan <lizefan@...wei.com>,
	cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH V3] MM: make vmpressure_win dynamic

On Mon, 2014-05-12 at 20:22 +0200, Fabian Frederick wrote:
> On Mon, 12 May 2014 09:55:37 +0200
> Michal Hocko <mhocko@...e.cz> wrote:
> 
> > On Sat 10-05-14 08:52:17, Fabian Frederick wrote:
> > > This patch addresses TODO featuring in original version :
> > 
> > This is the 3rd version of the patch and I still fail to see the
> > motivation other than addressing a TODO which doesn't sound like a
> > sufficient justification to me. Why is the new scheme needed in the
> > first place? Why is calculate_normal_threshold a proper scheme?
> Nothing more than trying to have that value dynamic.

No, that's not a valid justification. This is your reason, Fabian:

https://lkml.org/lkml/2013/1/8/45

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