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From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Pavel Emelyanov <xemul@openvz.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>,
	David Miller <davem@davemloft.net>,
	Linux Netdev List <netdev@vger.kernel.org>,
	devel@openvz.org
Subject: Re: [PATCH 2/6][INET]: Consolidate inet(6)_hash_connect.
Date: Thu, 31 Jan 2008 11:39:55 -0200	[thread overview]
Message-ID: <20080131133954.GU1819@ghostprotocols.net> (raw)
In-Reply-To: <47A1CABB.8050805@openvz.org>

Em Thu, Jan 31, 2008 at 04:18:51PM +0300, Pavel Emelyanov escreveu:
> Arnaldo Carvalho de Melo wrote:
> > Em Thu, Jan 31, 2008 at 03:32:09PM +0300, Pavel Emelyanov escreveu:
> >> These two functions are the same except for what they call
> >> to "check_established" and "hash" for a socket.
> >>
> >> This saves half-a-kilo for ipv4 and ipv6.
> > 
> > Good stuff!
> > 
> > Yesterday I was perusing tcp_hash and I think we could have the hashinfo
> > pointer stored perhaps in sk->sk_prot.
> > 
> > That way we would be able to kill tcp_hash(), inet_put_port() could
> > receive just sk, etc.
> 
> But each proto will still have its own hashfn, so proto's 
> callbacks will be called to hash/unhash sockets, so this will 
> give us just one extra dereference. No?
> 
> > What do you think?
> 
> Hmmm... Even raw_hash, etc may become simpler. On the other hand
> maybe this is a good idea, but I'm not very common with this code
> yet to foresee such things in advance... I think that we should
> try to prepare a patch and look, but if you have smth ready, then
> it's better to review your stuff first.

gimme some minutes

- Arnaldo

  reply	other threads:[~2008-01-31 13:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-31 12:32 [PATCH 2/6][INET]: Consolidate inet(6)_hash_connect Pavel Emelyanov
2008-01-31 13:01 ` Arnaldo Carvalho de Melo
2008-01-31 13:15   ` David Miller
2008-01-31 13:18   ` Pavel Emelyanov
2008-01-31 13:39     ` Arnaldo Carvalho de Melo [this message]
2008-01-31 15:42       ` Arnaldo Carvalho de Melo
2008-01-31 13:04 ` David Miller

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