From: Joel Schopp <jschopp@austin.ibm.com>
To: Ray Bryant <raybry@engr.sgi.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
"Martin J. Bligh" <mbligh@mbligh.org>, Mel Gorman <mel@csn.ul.ie>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: Avoiding external fragmentation with a placement policy Version 12
Date: Thu, 02 Jun 2005 15:10:44 -0500 [thread overview]
Message-ID: <429F67C4.9060506@austin.ibm.com> (raw)
In-Reply-To: <429F631E.6020401@engr.sgi.com>
> Could someone point me at the "Page migration defrag" patch, or
> describe what this is. Does this depend on the page migration
> patches from memory hotplug to move pages or is it something
> different?
I don't think anybody has actually written such a patch yet (correct me
if I'm wrong). When somebody does it will certainly depend on the page
migration patches. As far as describing what it is, the concept is
pretty simple. Migrate in use pieces of memory around to make lots of
smaller unallocated memory into fewer larger unallocated memory.
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next prev parent reply other threads:[~2005-06-02 20:10 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-31 11:20 Mel Gorman
2005-06-01 20:55 ` Joel Schopp
2005-06-01 23:09 ` Nick Piggin
2005-06-01 23:23 ` David S. Miller, Nick Piggin
2005-06-01 23:28 ` Martin J. Bligh
2005-06-01 23:43 ` Nick Piggin
2005-06-02 0:02 ` Martin J. Bligh
2005-06-02 0:20 ` Nick Piggin
2005-06-02 13:55 ` Mel Gorman
2005-06-02 15:52 ` Joel Schopp
2005-06-02 19:50 ` Ray Bryant
2005-06-02 20:10 ` Joel Schopp [this message]
2005-06-04 16:09 ` Marcelo Tosatti
2005-06-03 3:48 ` Nick Piggin
2005-06-03 4:49 ` David S. Miller, Nick Piggin
2005-06-03 5:34 ` Martin J. Bligh
2005-06-03 5:37 ` David S. Miller, Martin J. Bligh
2005-06-03 5:42 ` Martin J. Bligh
2005-06-03 5:51 ` David S. Miller, Martin J. Bligh
2005-06-03 13:13 ` Mel Gorman
2005-06-03 6:43 ` Nick Piggin
2005-06-03 13:57 ` Martin J. Bligh
2005-06-03 16:43 ` Dave Hansen
2005-06-03 18:43 ` David S. Miller, Dave Hansen
2005-06-04 1:44 ` Herbert Xu
2005-06-04 2:15 ` Nick Piggin
2005-06-05 19:52 ` David S. Miller, Nick Piggin
2005-06-03 13:05 ` Mel Gorman
2005-06-03 14:00 ` Martin J. Bligh
2005-06-08 17:03 ` Mel Gorman
2005-06-08 17:18 ` Martin J. Bligh
2005-06-10 16:20 ` Christoph Lameter
2005-06-10 17:53 ` Steve Lord
2005-06-02 18:28 ` Andi Kleen
2005-06-02 18:42 ` Martin J. Bligh
2005-06-02 13:15 ` Mel Gorman
2005-06-02 14:01 ` Martin J. Bligh
[not found] ` <20050603174706.GA25663@localhost.localdomain>
2005-06-03 17:56 ` Martin J. Bligh
2005-06-01 23:47 ` Mike Kravetz
2005-06-01 23:56 ` Nick Piggin
2005-06-02 0:07 ` Mike Kravetz
2005-06-02 9:49 ` Mel Gorman
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