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Date: Sun, 07 Dec 2014 15:06:43 +0100 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: George Spelvin <linux@...izon.com> Cc: herbert@...dor.apana.org.au, davem@...emloft.net, dborkman@...hat.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, tgraf@...g.ch, tytso@....edu Subject: Re: Where exactly will arch_fast_hash be used On So, 2014-12-07 at 08:23 -0500, George Spelvin wrote: > So there are plenty of hash tables in Linux that you don't dare use this > with. In fact, so many that, as you rightly point out, it's not clear > if it's worth providing this special optimization for the few remaining. In case of openvswitch it shows a performance improvment. The seed parameter could be used as an initial biasing of the crc32 function, but in case of openvswitch it is only set to 0. Bye, Hannes -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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