linux-kernel - Re: [RFC] Tracking mlocked pages and moving them off the LRU

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Date:	Sun, 04 Feb 2007 09:56:42 +1100
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	Christoph Lameter <clameter@....com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	Nick Piggin <nickpiggin@...oo.com.au>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [RFC] Tracking mlocked pages and moving them off the LRU

Hi.

On Fri, 2007-02-02 at 22:20 -0800, Christoph Lameter wrote:
> 1. We use the 21st page flag and we only have 20 on 32 bit NUMA platforms.

If it will help, I now have an implementation of the dynamically
allocated pageflags code I've posted in the past that is NUMA aware.
It's not memory hotplug aware yet, but that can be fixed. I can see if I
can find time this week to address that and send it to you if it will
help.

Regards,

Nigel

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