From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH] fix iptables on systems with discontiguous processor ids
Date: Mon, 10 Oct 2005 23:41:43 +0200
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To: "David S. Miller" <davem@davemloft.net>
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David S. Miller wrote:
> From: Harald Welte <laforge@netfilter.org>
> Date: Mon, 10 Oct 2005 18:41:41 +0200
> 
> Why don't any of the existing interfaces on cpumasks and numbers
> provide what you need here?  Perhaps this routine you are adding
> (highest_processor_id()) belongs in linux/cpumask.h?  Perhaps
> named something like "highest_possible_processor_id()" to be
> consistent with the "num_possible_cpus()" naming?

Even better would be a function returning the CPU ID as "physical"
ID, skipping holes in the space. This would allow to save the memory
for unused CPU IDs. Maybe a small table mapping "virtual" to "phyiscal"
IDs?