netdev - Re: rhashtable: Move hash_rnd into bucket

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Date:	Mon, 09 Mar 2015 15:55:17 -0400 (EDT)
From:	David Miller <davem@...hat.com>
To:	herbert@...dor.apana.org.au
Cc:	tgraf@...g.ch, netdev@...r.kernel.org
Subject: Re: rhashtable: Move hash_rnd into bucket_table

From: David Miller <davem@...hat.com>
Date: Mon, 09 Mar 2015 15:51:37 -0400 (EDT)

> From: Herbert Xu <herbert@...dor.apana.org.au>
> Date: Mon, 9 Mar 2015 20:58:33 +1100
> 
>> Currently hash_rnd is a parameter that users can set.  However,
>> no existing users set this parameter.  It is also something that
>> people are unlikely to want to set directly since it's just a
>> random number.
>> 
>> In preparation for allowing the reseeding/rehashing of rhashtable,
>> this patch moves hash_rnd into bucket_table so that it's now an
>> internal state rather than a parameter.
>> 
>> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
> 
> Thomas is right, you're going to have to move the hash_rnd initialization
> to where we allocate the bucket tables, otherwise the first shrink/expand
> will set it to zero.

My bad, Daniel pointed this out, not Thomas.

Sorry about that.
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