netdev - Re: [PATCH 1/2] net: Toeplitz library functions

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Message-Id: <20130924.144830.994116727011585720.davem@redhat.com>
Date:	Tue, 24 Sep 2013 14:48:30 -0400 (EDT)
From:	David Miller <davem@...hat.com>
To:	therbert@...gle.com
Cc:	eric.dumazet@...il.com, hannes@...essinduktion.org,
	netdev@...r.kernel.org, jesse.brandeburg@...el.com
Subject: Re: [PATCH 1/2] net: Toeplitz library functions

From: Tom Herbert <therbert@...gle.com>
Date: Tue, 24 Sep 2013 11:02:11 -0700

> But if we already have valid l4_rxhash we're just wasting time
> recomputing it (very like the same value).  So just do:

Honestly, you're arguing over 12 or so cycles.  That's about how much
jhash costs.
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