From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <clameter@sgi.com>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
linux-mm@kvack.org, Nishanth Aravamudan <nacc@us.ibm.com>,
pj@sgi.com, kxr@sgi.com, Mel Gorman <mel@skynet.ie>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH 01/14] NUMA: Generic management of nodemasks for various purposes
Date: Wed, 1 Aug 2007 11:19:33 +0200 [thread overview]
Message-ID: <200708011119.33242.ak@suse.de> (raw)
In-Reply-To: <20070731203203.2691ca59.akpm@linux-foundation.org>
On Wednesday 01 August 2007 05:32:03 Andrew Morton wrote:
> On Tue, 31 Jul 2007 20:14:08 -0700 (PDT) Christoph Lameter <clameter@sgi.com> wrote:
>
> > On Tue, 31 Jul 2007, Andrew Morton wrote:
> >
> > > ooookay... I don't think I want to be the first person who gets
> > > to do that, so I shall duck them for -mm2.
> > >
> > > I think there were updates pending anyway. I saw several under-replied-to
> > > patches from Lee but it wasn't clear it they were relevant to these changes
> > > or what.
> >
> > I have not seen those. We also have the issue with slab allocations
> > failing on NUMAQ with its HIGHMEM zones.
> >
> > Andi wants to drop support for NUMAQ again. Is that possible? NUMA only on
> > 64 bit?
>
> umm, that would need wide circulation. I have a feeling that some
> implementations of some of the more obscure 32-bit architectures can (or
> will) have numa characteristics. Looks like mips might already.
The problem here is really highmem and NUMA. If they only have lowmem
i guess it would be reasonably easy to support.
> And doesn't i386 summit do numa?
Yes, it does. But I don't think many are run in NUMA mode.
-Andi
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next prev parent reply other threads:[~2007-08-01 9:19 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-27 19:43 [PATCH 00/14] NUMA: Memoryless node support V4 Lee Schermerhorn
2007-07-27 19:43 ` [PATCH 01/14] NUMA: Generic management of nodemasks for various purposes Lee Schermerhorn
2007-07-30 21:38 ` [PATCH/RFC] 2.6.23-rc1-mm1: MPOL_PREFERRED fixups for preferred_node < 0 Lee Schermerhorn
2007-07-30 22:00 ` Lee Schermerhorn
2007-07-31 15:32 ` Mel Gorman
2007-07-31 15:58 ` Lee Schermerhorn
2007-07-31 21:05 ` [PATCH/RFC] 2.6.23-rc1-mm1: MPOL_PREFERRED fixups for preferred_node < 0 - v2 Lee Schermerhorn
2007-08-01 2:22 ` [PATCH 01/14] NUMA: Generic management of nodemasks for various purposes Andrew Morton
2007-08-01 2:52 ` Christoph Lameter
2007-08-01 3:05 ` Andrew Morton
2007-08-01 3:14 ` Christoph Lameter
2007-08-01 3:32 ` Andrew Morton
2007-08-01 3:37 ` Christoph Lameter
[not found] ` <Pine.LNX.4.64.0707312151400.2894@schroedinger.engr.sgi.com>
2007-08-01 5:07 ` Andrew Morton
2007-08-01 5:11 ` Andrew Morton
2007-08-01 5:22 ` Christoph Lameter
2007-08-01 10:24 ` Mel Gorman
2007-08-02 16:23 ` Mel Gorman
2007-08-02 20:00 ` Christoph Lameter
2007-08-01 5:36 ` Paul Mundt
2007-08-01 9:19 ` Andi Kleen [this message]
2007-08-01 14:03 ` Lee Schermerhorn
2007-08-01 17:41 ` Christoph Lameter
2007-08-01 17:54 ` Lee Schermerhorn
2007-08-02 20:05 ` [PATCH/RFC/WIP] cpuset-independent interleave policy Lee Schermerhorn
2007-08-02 20:34 ` Christoph Lameter
2007-08-02 21:04 ` Lee Schermerhorn
2007-08-03 0:31 ` Christoph Lameter
2007-08-02 20:19 ` Audit of "all uses of node_online()" Lee Schermerhorn
2007-08-02 20:26 ` Christoph Lameter
2007-08-08 22:19 ` Lee Schermerhorn
2007-08-08 23:40 ` Christoph Lameter
2007-08-16 14:17 ` [PATCH/RFC] memoryless nodes - fixup uses of node_online_map in generic code Lee Schermerhorn
2007-08-16 18:33 ` Christoph Lameter
2007-08-16 19:15 ` Lee Schermerhorn
2007-08-16 21:10 ` Lee Schermerhorn
2007-08-16 21:13 ` Christoph Lameter
2007-08-24 16:09 ` [PATCH] 2.6.23-rc3-mm1 - Move setup of N_CPU node state mask Lee Schermerhorn
2007-09-06 13:56 ` Mel Gorman
2007-08-02 20:33 ` Audit of "all uses of node_online()" Andrew Morton
2007-08-02 20:45 ` Lee Schermerhorn
2007-08-01 15:58 ` [PATCH 01/14] NUMA: Generic management of nodemasks for various purposes Nishanth Aravamudan
2007-08-01 16:09 ` Nishanth Aravamudan
2007-08-01 17:47 ` Christoph Lameter
2007-08-01 15:25 ` Nishanth Aravamudan
2007-07-27 19:43 ` [PATCH 02/14] Memoryless nodes: introduce mask of nodes with memory Lee Schermerhorn
2007-07-27 19:43 ` [PATCH 03/14] Memoryless Nodes: Fix interleave behavior Lee Schermerhorn
2007-07-27 19:43 ` [PATCH 04/14] OOM: use the N_MEMORY map instead of constructing one on the fly Lee Schermerhorn
2007-07-27 19:43 ` [PATCH 05/14] Memoryless Nodes: No need for kswapd Lee Schermerhorn
2007-07-27 19:43 ` [PATCH 06/14] Memoryless Node: Slab support Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 07/14] Memoryless nodes: SLUB support Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 08/14] Uncached allocator: Handle memoryless nodes Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 09/14] Memoryless node: Allow profiling data to fall back to other nodes Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 10/14] Memoryless nodes: Update memory policy and page migration Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 11/14] Add N_CPU node state Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 12/14] Memoryless nodes: Fix GFP_THISNODE behavior Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 13/14] Memoryless Nodes: use "node_memory_map" for cpusets Lee Schermerhorn
2007-07-27 19:44 ` [PATCH 14/14] Memoryless nodes: drop one memoryless node boot warning Lee Schermerhorn
2007-07-27 20:59 ` [PATCH 00/14] NUMA: Memoryless node support V4 Nishanth Aravamudan
2007-07-30 13:48 ` Lee Schermerhorn
2007-07-29 12:35 ` Paul Jackson
2007-07-30 16:07 ` Lee Schermerhorn
2007-07-30 18:56 ` Paul Jackson
2007-07-30 21:19 ` Nishanth Aravamudan
2007-07-30 22:06 ` Christoph Lameter
2007-07-30 22:35 ` Andi Kleen
2007-07-30 22:36 ` Christoph Lameter
2007-07-31 23:18 ` Nishanth Aravamudan
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