linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
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.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=455B8F3A.6030503@mbligh.org \
    --to=mbligh@mbligh.org \
    --cc=clameter@sgi.com \
    --cc=krafft@de.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox