netdev - Re: [PATCH net-next 2/2] rhashtable: Quick initial growth of tables

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Message-ID: <20150430234556.GA31180@gondor.apana.org.au>
Date:	Fri, 1 May 2015 07:45:56 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, kaber@...sh.net
Subject: Re: [PATCH net-next 2/2] rhashtable: Quick initial growth of tables

Thomas Graf <tgraf@...g.ch> wrote:
> Grow the table quicker than 2x in the beginning to avoid long chains
> of rehashes. The effect is observable in the self-test where table
> jumps are reduced to a minimum after a lot of entries have been added
> in a short period of time. The iterator is able to get a consistent
> view most of the time.
> 
> Signed-off-by: Thomas Graf <tgraf@...g.ch>

Wouldn't automatic shrinking immediately undo your quick growth?

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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