From: Martin Bligh <mbligh@mbligh.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: Christian Krafft <krafft@de.ibm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch 2/2] enables booting a NUMA system where some nodes have no memory
Date: Wed, 15 Nov 2006 14:05:46 -0800 [thread overview]
Message-ID: <455B8F3A.6030503@mbligh.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0611151323330.22074@schroedinger.engr.sgi.com>
Christoph Lameter wrote:
> On Wed, 15 Nov 2006, Christian Krafft wrote:
>
>> When booting a NUMA system with nodes that have no memory (eg by limiting memory),
>> bootmem_alloc_core tried to find pages in an uninitialized bootmem_map.
>
> Why should we support nodes with no memory? If a node has no memory then
> its processors and other resources need to be attached to the nearest node
> with memory.
>
> AFAICT The primary role of a node is to manage memory.
A node is an arbitrary container object containing one or more of:
CPUs
Memory
IO bus
It does not have to contain memory.
M.
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next prev parent reply other threads:[~2006-11-15 22:05 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-15 18:30 [patch 0/2] fix bugs while booting on NUMA system where some nodes have no mem Christian Krafft
2006-11-15 18:32 ` [patch 1/2] fix call to alloc_bootmem after bootmem has been freed Christian Krafft
2006-11-21 16:55 ` Andrew Morton
2006-11-21 18:02 ` Christian Krafft
2006-11-21 18:26 ` Andrew Morton
2006-11-22 9:23 ` Arnd Bergmann
2006-11-15 18:34 ` [patch 2/2] enables booting a NUMA system where some nodes have no memory Christian Krafft
2006-11-15 21:24 ` Christoph Lameter
2006-11-15 21:58 ` Jack Steiner
2006-11-15 22:40 ` Christoph Lameter
2006-11-15 22:43 ` Martin Bligh
2006-11-15 22:52 ` Christoph Lameter
2006-11-16 0:54 ` KAMEZAWA Hiroyuki
2006-11-16 0:57 ` Christoph Lameter
2006-11-16 1:17 ` KAMEZAWA Hiroyuki
2006-11-16 15:40 ` Christian Krafft
2006-11-16 15:49 ` Martin J. Bligh
2006-11-16 18:46 ` Christoph Lameter
2006-11-16 2:01 ` Martin Bligh
2006-11-16 1:35 ` Jack Steiner
2006-11-16 1:57 ` Christoph Lameter
2006-11-16 2:09 ` Martin Bligh
2006-11-16 2:35 ` Christoph Lameter
2006-11-16 3:28 ` Jack Steiner
2006-11-15 22:05 ` Martin Bligh [this message]
2006-11-15 22:41 ` Christoph Lameter
2006-11-15 22:46 ` Martin Bligh
2006-11-15 22:51 ` Christoph Lameter
2006-11-16 0:59 ` KAMEZAWA Hiroyuki
2006-11-16 1:22 ` Yasunori Goto
2006-11-16 0:26 ` Arnd Bergmann
2006-11-16 0:45 ` Christoph Lameter
2006-11-16 13:08 ` Arnd Bergmann
2006-11-16 0:44 ` Jesper Juhl
2006-11-16 0:46 ` Christoph Lameter
2006-11-16 15:21 ` Lee Schermerhorn
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