linux-kernel - Re: [RFC 1/3] /dev/low_mem

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Message-ID: <1327421440.13624.30.camel@jaguar>
Date:	Tue, 24 Jan 2012 18:10:40 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Marcelo Tosatti <mtosatti@...hat.com>
Cc:	leonid.moiseichuk@...ia.com, rhod@...hat.com, riel@...hat.com,
	minchan@...nel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, kamezawa.hiroyu@...fujitsu.com,
	mel@....ul.ie, rientjes@...gle.com, kosaki.motohiro@...il.com,
	hannes@...xchg.org, akpm@...ux-foundation.org,
	kosaki.motohiro@...fujitsu.com
Subject: Re: [RFC 1/3] /dev/low_mem_notify

On Tue, 2012-01-24 at 13:38 -0200, Marcelo Tosatti wrote:
> Having userspace specify the "sample period" for low memory notification
> makes no sense. The frequency of notifications is a function of the
> memory pressure.

Sure, it makes sense to autotune sample period. I don't see the problem
with letting userspace decide it for themselves if they want to.

			Pekka

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