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

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Message-ID: <CAOJsxLHB=1t=kq2zASjAauFDrZQ5vROpjXs=XaSbmeMnzsaTLg@mail.gmail.com>
Date:	Wed, 18 Jan 2012 17:29:33 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Rik van Riel <riel@...hat.com>
Cc:	leonid.moiseichuk@...ia.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, mtosatti@...hat.com,
	akpm@...ux-foundation.org, rhod@...hat.com,
	kosaki.motohiro@...fujitsu.com
Subject: Re: [RFC 1/3] /dev/low_mem_notify

On Wed, Jan 18, 2012 at 4:30 PM, Rik van Riel <riel@...hat.com> wrote:
> That seems like a horrible idea, because there is no guarantee that
> the kernel will continue to use NR_ACTIVE_ANON and NR_ACTIVE_FILE
> internally in the future.
>
> What is exported to userspace must be somewhat independent of the
> specifics of how the kernel implements things internally.

Exactly, that's what I'm also interested in.

                        Pekka
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