linux-kernel - Re: [RFC][PATCH 3/5] add /dev/mem

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Message-ID: <20080115104619.10dab6de@lxorguk.ukuu.org.uk>
Date:	Tue, 15 Jan 2008 10:46:19 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	kosaki.motohiro@...fujitsu.com,
	Marcelo Tosatti <marcelo@...ck.org>,
	Daniel Spang <daniel.spang@...il.com>,
	Rik van Riel <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC][PATCH 3/5] add /dev/mem_notify device

On Tue, 15 Jan 2008 10:01:21 +0900
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> the core of this patch series.
> add /dev/mem_notify device for notification low memory to user process.

As you only wake one process how would you use this API from processes
which want to monitor and can free memory under load. Also what fairness
guarantees are there...

Alan
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