From mboxrd@z Thu Jan  1 00:00:00 1970
Subject: Re: [RFC] Remove unswappable anonymous pages off the LRU
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
In-Reply-To: <20070215184800.e2820947.akpm@linux-foundation.org>
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Date: Fri, 16 Feb 2007 09:15:27 +0100
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <clameter@sgi.com>, Martin Bligh <mbligh@mbligh.org>, linux-mm@kvack.org, Nick Piggin <nickpiggin@yahoo.com.au>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Rik van Riel <riel@redhat.com>, "Rafael J. Wysocki" <rjw@sisk.pl>
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On Thu, 2007-02-15 at 18:48 -0800, Andrew Morton wrote:

> The two swsusp bits can be removed: they're only needed at suspend/resume
> time and can be replaced by an external data structure.

I once had a talk with Rafael, and he said it would be possible to rid
us of PG_nosave* with the now not so new bitmap code that is used to
handle swsusp of highmem pages.


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