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From: Christoph Lameter <clameter@sgi.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/8] Allow huge page allocations to use GFP_HIGH_MOVABLE
Date: Fri, 26 Jan 2007 09:45:47 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0701260944270.7457@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0701261727400.23091@skynet.skynet.ie>

On Fri, 26 Jan 2007, Mel Gorman wrote:

> It's come up a few times and the converation is always fairly similar although
> the thread http://lkml.org/lkml/2006/9/22/44 has interesting information on
> the topic. There has been no serious discussion on whether anti-fragmentation
> would help it or not. I think it would if atomic allocations were clustered
> together because then jumbo frame allocations would cluster together in the
> same MAX_ORDER blocks and tend to keep other allocations away.

They are clustered in both schemes together with other non movable allocs 
right? The problem is to defrag while atomic? How is the zone based 
concept different in that area from the max order block based one?



  reply	other threads:[~2007-01-26 17:45 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-25 23:44 [PATCH 0/8] Create ZONE_MOVABLE to partition memory between movable and non-movable pages Mel Gorman
2007-01-25 23:45 ` [PATCH 1/8] Add __GFP_MOVABLE for callers to flag allocations that may be migrated Mel Gorman
2007-01-26 12:27   ` Nick Piggin
2007-01-26 13:25     ` Mel Gorman
2007-01-25 23:45 ` [PATCH 2/8] Create the ZONE_MOVABLE zone Mel Gorman
2007-01-26 16:28   ` Christoph Lameter
2007-01-26 16:49     ` Mel Gorman
2007-01-29 17:28     ` Mel Gorman
2007-01-26 17:16   ` Christoph Lameter
2007-01-26 17:24     ` Mel Gorman
2007-01-26 17:25       ` Christoph Lameter
2007-01-26 17:38         ` Mel Gorman
2007-01-29 17:31     ` Mel Gorman
2007-01-25 23:45 ` [PATCH 3/8] Allow huge page allocations to use GFP_HIGH_MOVABLE Mel Gorman
2007-01-26 16:33   ` Christoph Lameter
2007-01-26 16:58     ` Mel Gorman
2007-01-26 17:04       ` Christoph Lameter
2007-01-26 17:20         ` Mel Gorman
2007-01-26 17:22           ` Christoph Lameter
2007-01-26 17:37             ` Mel Gorman
2007-01-26 17:45               ` Christoph Lameter [this message]
2007-01-26 17:53                 ` Mel Gorman
2007-01-26 18:20                   ` Christoph Lameter
2007-01-26 20:37                     ` Mel Gorman
2007-01-26 18:35                   ` Chris Friesen
2007-01-26 20:44                     ` Mel Gorman
2007-01-26 21:37                       ` Chris Friesen
2007-01-25 23:46 ` [PATCH 4/8] x86 - Specify amount of kernel memory at boot time Mel Gorman
2007-01-25 23:46 ` [PATCH 5/8] ppc and powerpc " Mel Gorman
2007-01-25 23:46 ` [PATCH 6/8] x86_64 " Mel Gorman
2007-01-25 23:47 ` [PATCH 7/8] ia64 " Mel Gorman
2007-01-25 23:47 ` [PATCH 8/8] Add documentation for additional boot parameter and sysctl Mel Gorman
2007-01-26 11:07 ` [PATCH 0/8] Create ZONE_MOVABLE to partition memory between movable and non-movable pages Andrew Morton
2007-01-26 14:29   ` Mel Gorman
2007-01-26 16:01     ` Christoph Lameter
2007-01-26 15:56   ` Christoph Lameter
2007-01-26 19:46     ` Andrew Morton
2007-01-26 19:58       ` Christoph Lameter
2007-01-26 20:27         ` Andrew Morton
2007-01-29 21:54           ` Christoph Lameter
2007-01-29 22:36             ` Andrew Morton
2007-01-29 22:45               ` Christoph Lameter
2007-01-29 22:50                 ` Russell King
2007-01-29 23:37                   ` Christoph Lameter
2007-01-30  0:09                     ` Andrew Morton
2007-01-30  9:53                       ` Peter Zijlstra
2007-02-02  5:27                         ` Christoph Lameter
2007-02-02  5:22                       ` Christoph Lameter
2007-01-26 16:21 ` Christoph Lameter
2007-01-26 16:48   ` Mel Gorman
2007-01-26 17:02     ` Christoph Lameter
2007-01-26 17:20       ` Mel Gorman
2007-03-01 10:08 [PATCH 0/8] Create optional ZONE_MOVABLE to partition memory between movable and non-movable pages v2 Mel Gorman
2007-03-01 10:09 ` [PATCH 3/8] Allow huge page allocations to use GFP_HIGH_MOVABLE Mel Gorman

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