From: Patrick McHardy <kaber@trash.net>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Eric Leblond <eric@inl.fr>, netfilter-devel@vger.kernel.org
Subject: Re: Transmit mark during connection destruction event
Date: Tue, 29 Jan 2008 15:36:21 +0100 [thread overview]
Message-ID: <479F39E5.6090206@trash.net> (raw)
In-Reply-To: <479F3943.2050900@netfilter.org>
Pablo Neira Ayuso wrote:
> Patrick McHardy wrote:
>
>> I'm also sure you could decrease overhead far more by choosing a proper
>> allocation size without affecting functionality thats apparently useful
>> for some people.
>
> Please, elaborate this a bit.
ctnetlink currently allocates skb of NLMSG_GOODSIZE size, which is
4k on most architectures, but the actual messages are far smaller.
When more than 50% of the skb are unused, af_netlink reallocates
the skb, copying the entire data.
next prev parent reply other threads:[~2008-01-29 14:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-28 23:13 Transmit mark during connection destruction event Eric Leblond
2008-01-29 13:38 ` Patrick McHardy
2008-01-29 14:00 ` Pablo Neira Ayuso
2008-01-29 13:49 ` Patrick McHardy
2008-01-29 14:16 ` Pablo Neira Ayuso
2008-01-29 14:20 ` Pablo Neira Ayuso
2008-01-29 14:24 ` Patrick McHardy
2008-01-29 14:27 ` Pablo Neira Ayuso
2008-01-29 14:23 ` Patrick McHardy
2008-01-29 14:33 ` Pablo Neira Ayuso
2008-01-29 14:36 ` Patrick McHardy [this message]
2008-01-29 13:47 ` Pablo Neira Ayuso
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