linux-kernel - Re: [PATCH 2/2] The new jhash implementation

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Message-Id: <201011271401.22773.rusty@rustcorp.com.au>
Date:	Sat, 27 Nov 2010 14:01:22 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, Linus Torvalds <torvalds@...l.org>
Subject: Re: [PATCH 2/2] The new jhash implementation

On Thu, 25 Nov 2010 11:45:08 pm Jozsef Kadlecsik wrote:
> The current jhash.h implements the lookup2() hash function by Bob Jenkins.
> However, lookup2() is outdated as Bob wrote a new hash function called
> lookup3(). The new hash function

Oops, we discussed this ages ago, looks like it fell through the cracks.

Thanks Jozsef!

> +extern u32 jhash(const void *key, u32 length, u32 initval);
> +extern u32 jhash2(const u32 *k, u32 length, u32 initval);
> +extern u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval);

This last one can be marked __attribute__((const)) for a little
extra compiler help, too.

Cheers,
Rusty.
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