From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH v2 nf-next] netfilter: conntrack: remove the central
 spinlock
Date: Wed, 22 May 2013 13:16:01 -0700
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Cc: Pablo Neira Ayuso <pablo@netfilter.org>,
	netfilter-devel@vger.kernel.org, netdev <netdev@vger.kernel.org>,
	Tom Herbert <therbert@google.com>,
	Patrick McHardy <kaber@trash.net>
To: Joe Perches <joe@perches.com>
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On Wed, 2013-05-22 at 12:57 -0700, Joe Perches wrote:

> Ahh, nice.
> 
> It might also be nice to mark it if ever more than a u16
> brace/flock/coven/cluster worth of cpus become feasible
> as it seems int is used almost everywhere else.

It seems Linus hates cpu_t or whatever_t

Thats why we have u16 everywhere to code cpu numbers, and why we use
"unsigned long" for jiffies.

Check include/linux/netdevice.h for numerous examples

So far, I believe linux supports at most 4096 cpus.