From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Thu, 15 Feb 2007 16:15:13 -0800
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [RFC] Remove unswappable anonymous pages off the LRU
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To: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: Rik van Riel <riel@redhat.com>, Christoph Lameter <clameter@sgi.com>, linux-mm@kvack.org, Nick Piggin <nickpiggin@yahoo.com.au>, Peter Zijlstra <a.p.zijlstra@chello.nl>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, "Martin J. Bligh" <mbligh@mbligh.org>, Larry Woodman <lwoodman@redhat.com>
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On Thu, 15 Feb 2007 18:20:58 -0500
Lee Schermerhorn <Lee.Schermerhorn@hp.com> wrote:

> With the addition of Christoph's patch to move mlock()ed pages out of
> the LRU, we could add a mechanism to automagically lock shared memory
> regions that either exceed some tunable threshold or that exceed the
> available amount of swap.

But we have an out-of-band way of diddling shm segments?  So we could
create

	/usr/bin/ipclock --lock -i 2432

?

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