RE: [RFC] 4-level page table directories.

From: Gerald Pfeifer <>
Date: 2005-11-10 11:03:44
On Wed, 9 Nov 2005, Luck, Tony wrote:
> But don't you already have that issue with persuading them to ship with 
> CONFIG_NR_CPUS=16384?  Surely there are a whole boatload of tuneables 
> and patches needed to get this sized system up and running? 4-level 
> pagetables are just one piece of the puzzle.

Is it possible you are mixing up MAX_NUMALINK_NODES (the maximum
system size, i.e., the maximum number of nodes in a numalink domain)
with CONFIG_NR_CPUS (the maximum SSI size)?

I'm pretty confident SGI has not proposed setting CONFIG_NR_CPUS=16384
to any OSV. ;-)


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Received on Thu Nov 10 11:04:06 2005

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