From: David Miller <davem@davemloft.net>
To: eeb@bartonsoftware.com
Cc: dada1@cosmosbay.com, netdev@vger.kernel.org
Subject: Re: PATCH zero-copy send completion callback
Date: Tue, 17 Oct 2006 14:45:03 -0700 (PDT) [thread overview]
Message-ID: <20061017.144503.91315349.davem@davemloft.net> (raw)
In-Reply-To: <020d01c6f1e7$029beb70$0281a8c0@ebpc>
From: "Eric Barton" <eeb@bartonsoftware.com>
Date: Tue, 17 Oct 2006 13:23:10 +0100
> > Even if your two pointers addition (16 bytes on x86_64)
> > doesnt cross a 64bytes
> > line (I didn't checked), they are going to be set to NULL
> > each time a skbuff
> > is allocated , and checked against NULL each time a skbuff is
> > destroyed.
>
> Indeed. Do you think that's significant?
On a machine routing a million packets per second, it
definitely is. It is the most crucial data structure
for performance in all of the networking.
next prev parent reply other threads:[~2006-10-17 21:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20061016.135222.78711520.davem@davemloft.net>
2006-10-17 0:53 ` PATCH zero-copy send completion callback Eric Barton
2006-10-17 9:01 ` Eric Dumazet
2006-10-17 12:23 ` Eric Barton
2006-10-17 21:45 ` David Miller [this message]
2006-10-17 11:19 ` Evgeniy Polyakov
2006-10-17 12:50 Eric Barton
2006-10-17 13:13 ` Evgeniy Polyakov
[not found] <20061017094643.GA28926@infradead.org>
2006-10-17 12:27 ` Eric Barton
-- strict thread matches above, loose matches on Subject: below --
2006-10-16 18:21 Eric Barton
2006-10-16 17:25 Eric Barton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20061017.144503.91315349.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=dada1@cosmosbay.com \
--cc=eeb@bartonsoftware.com \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).