netdev - Re: [PATCH v2] l2tp: use per-cpu variables for u64

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Date:	Wed, 27 Jun 2012 16:09:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rick.jones2@...com
Cc:	eric.dumazet@...il.com, greearb@...delatech.com,
	shemminger@...tta.com, tparkin@...alix.com, netdev@...r.kernel.org,
	David.Laight@...LAB.COM, jchapman@...alix.com
Subject: Re: [PATCH v2] l2tp: use per-cpu variables for u64_stats updates

From: Rick Jones <rick.jones2@...com>
Date: Wed, 27 Jun 2012 16:01:23 -0700

> At 100 Gbit/s Ethernet, that is upwards of 147

Listing upcoming technologies shows that you miss Eric's point.

Nobody with a brain is going to drive those kinds of cards on boxes
running 32-bit kernels.
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