From: Greg Edwards <edwardsg@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH] memory less nodes
Date: Fri, 06 May 2005 03:17:31 +0000 [thread overview]
Message-ID: <20050506031731.GA12270@sgi.com> (raw)
In-Reply-To: <20050505152826.GF17548@localhost.localdomain>
On Thu, May 05, 2005 at 11:28:26AM -0400, Bob Picco wrote:
| Tony,
|
| I reworked how nodes with only CPUs are treated. The patch below seems
| simpler to me and has eliminated the complicated routine
| reassign_cpu_only_nodes. There isn't any longer the requirement
| to modify ACPI NUMA information which was in large part the
| complexity introduced in reassign_cpu_only_nodes.
|
| This patch will produce a different number of nodes. For example,
| reassign_cpu_only_nodes would reduce two CPUonly nodes and one memory node
| configuration to one memory+CPUs node configuration. This patch
| doesn't change the number of nodes which means the user will see three. Two
| nodes without memory and one node with all the memory.
|
| While doing this patch, I noticed that early_nr_phys_cpus_node isn't serving
| any useful purpose. It is called once in find_pernode_space but the value
| isn't used to computer pernode space.
FWIW, I tried this patch out on a couple different Altix configurations,
and didn't see any problems with it.
Greg
next prev parent reply other threads:[~2005-05-06 3:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-05 15:28 [PATCH] memory less nodes Bob Picco
2005-05-06 3:17 ` Greg Edwards [this message]
2005-05-06 10:41 ` Bob Picco
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