netdev - Re: [RFC] [PATCH] Improve hash function used for full_name

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Message-Id: <1262638282.8178.257.camel@groeck-laptop>
Date:	Mon, 04 Jan 2010 12:51:22 -0800
From:	Guenter Roeck <guenter.roeck@...csson.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [RFC] [PATCH] Improve hash function used for full_name_hash()

Ok, thanks.

Guenter

On Mon, 2010-01-04 at 15:29 -0500, Stephen Hemminger wrote:
> On Mon, 04 Jan 2010 12:09:44 -0800
> Guenter Roeck <guenter.roeck@...csson.com> wrote:
> 
> > For example, when hashing "eth0" .. "eth9999" with a hash table size of 256,
> > the resulting minimum hash bucket depth is 0, the maximum depth is 563,
> > and the standard deviation is ~136.
> 
> The problem was a missing call to hash_32() on the result, and is
> already fixed in current kernel.
> 

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