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Re: Lazy page reclamation on SMP machines: memory barriers

To: "Stephen C. Tweedie" <sct@dcs.ed.ac.uk>
Subject: Re: Lazy page reclamation on SMP machines: memory barriers
From: Rik van Riel <H.H.vanRiel@fys.ruu.nl>
Date: Wed, 25 Mar 1998 10:08:00 +0100 (MET)
cc: Linus Torvalds <torvalds@transmeta.com>, linux-mm@kvack.org, linux-smp@vger.rutgers.edu
In-Reply-To: <199803242254.WAA03274@dax.dcs.ed.ac.uk>
Reply-To: H.H.vanRiel@fys.ruu.nl
Sender: owner-linux-mm@kvack.org

On Tue, 24 Mar 1998, Stephen C. Tweedie wrote:

> I'm in London until the weekend, but I hope to have the lazy page
> stealing in a fit state to release shortly after getting back thanks to
> this.

Then that would be the end of memory fragmentation. Since
marking something as stealable has no real performance penalty,
we could just mark so much memory stealable that we've got
3 128k area's stealable...

Rik.
+-------------------------------------------+--------------------------+
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References:
- Re: Lazy page reclamation on SMP machines: memory barriers
  - From: "Stephen C. Tweedie" <sct@dcs.ed.ac.uk>

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