netdev - Re: [PATCH] INET : removes per bucket rwlock in tcp/dccp ehash table

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Message-Id: <20071101.145204.15201968.davem@davemloft.net>
Date:	Thu, 01 Nov 2007 14:52:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	dada1@...mosbay.com
Cc:	rick.jones2@...com, shemminger@...ux-foundation.org,
	netdev@...r.kernel.org, ak@...e.de, acme@...hat.com
Subject: Re: [PATCH] INET : removes per bucket rwlock in tcp/dccp ehash
 table

From: Eric Dumazet <dada1@...mosbay.com>
Date: Thu, 01 Nov 2007 20:17:35 +0100

> But if it was an issue, the spinlock array used in IP route cache
> would have the same problem and *someone* should already have
> complained...

I'd say that having a few MB less of rwlock cache lines to
touch offsets the issue even if it does exist.
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