netdev - Re: [v1 PATCH 1/14] rhashtable: Remove shift from bucket

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Message-ID: <20150317112523.GB11671@gondor.apana.org.au>
Date:	Tue, 17 Mar 2015 22:25:23 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	"tgraf@...g.ch" <tgraf@...g.ch>,
	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [v1 PATCH 1/14] rhashtable: Remove shift from bucket_table

On Tue, Mar 17, 2015 at 11:22:44AM +0000, David Laight wrote:
>
> But won't the rehashed table be just as likely to have a long list?
> So you are likely to get an immediate rehash?

Not if the threshold is set to a value that should never be hit
at 100% utilisation.

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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