netdev - Re: [PATCH] INET : removes per bucket rwlock in tcp/dccp ehash table

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Message-Id: <200711041326.38380.ak@suse.de>
Date:	Sun, 4 Nov 2007 13:26:38 +0100
From:	Andi Kleen <ak@...e.de>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	acme@...hat.com, Jarek Poplawski <jarkao2@...pl>
Subject: Re: [PATCH] INET : removes per bucket rwlock in tcp/dccp ehash table


> But I suspect distributions kernels enable CONFIG_HOTPLUG_CPU so 
> num_possible_cpus() will be NR_CPUS.

Nope, on x86 num_possible_cpus() is derived from BIOS tables these days.

-Andi
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