Date: Tue, 16 Mar 2004 09:43:29 -0800
To: Robert Picco <Robert.Picco@hp.com>, linux-kernel@vger.kernel.org
Cc: colpatch@us.ibm.com, mbligh@aracnet.com
Subject: Re: boot time node and memory limit options
Message-ID: <20040316174329.GA29992@sgi.com>
Mail-Followup-To: Robert Picco <Robert.Picco@hp.com>,
	linux-kernel@vger.kernel.org, colpatch@us.ibm.com, mbligh@aracnet.com
References: <4057392A.8000602@hp.com>
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From: jbarnes@sgi.com (Jesse Barnes)
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On Tue, Mar 16, 2004 at 12:28:10PM -0500, Robert Picco wrote:
> This patch supports three boot line options.  mem_limit limits the
> amount of physical memory.  node_mem_limit limits the amount of
> physical memory per node on a NUMA machine.  nodes_limit reduces the
> number of NUMA nodes to the value specified.  On a NUMA machine an
> eliminated node's CPU(s) are removed from the cpu_possible_map.  
> 
> The patch has been tested on an IA64 NUMA machine and uniprocessor X86
> machine.

I think this patch will be really useful.  Matt and Martin, does it look
ok to you?  Given that discontiguous support is pretty platform specific
right now, I thought it might be less code if it was done in arch/, but
a platform independent version is awfully nice...

Thanks,
Jesse
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