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From: David Miller <davem@redhat.com>
Subject: Re: [PATCH 1/2] net: Toeplitz library functions
Date: Tue, 24 Sep 2013 14:48:30 -0400 (EDT)
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From: Tom Herbert <therbert@google.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.