From: David Miller <davem@davemloft.net>
To: shemminger@vyatta.com
Cc: guenter.roeck@ericsson.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] [PATCH] Improve hash function used for full_name_hash()
Date: Mon, 04 Jan 2010 12:47:11 -0800 (PST) [thread overview]
Message-ID: <20100104.124711.50820580.davem@davemloft.net> (raw)
In-Reply-To: <20100104122912.5f9d1ebb@nehalam>
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Mon, 4 Jan 2010 12:29:12 -0800
> On Mon, 04 Jan 2010 12:09:44 -0800
> Guenter Roeck <guenter.roeck@ericsson.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.
Added linux-kernel CC: to followup...
next prev parent reply other threads:[~2010-01-04 20:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-04 20:09 [RFC] [PATCH] Improve hash function used for full_name_hash() Guenter Roeck
2010-01-04 20:29 ` Stephen Hemminger
2010-01-04 20:47 ` David Miller [this message]
2010-01-04 20:51 ` Guenter Roeck
2010-01-04 20:44 ` Eric Dumazet
2010-01-04 20:51 ` David Miller
2010-01-04 20:53 ` Guenter Roeck
2010-01-04 20:46 ` David Miller
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