From: Evgeniy Polyakov <zbr@ioremap.net>
To: Jarek Poplawski <jarkao2@gmail.com>
Cc: David Miller <davem@davemloft.net>,
herbert@gondor.apana.org.au, w@1wt.eu, dada1@cosmosbay.com,
ben@zeus.com, mingo@elte.hu, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, jens.axboe@oracle.com
Subject: Re: [PATCH v2] tcp: splice as many packets as possible at once
Date: Tue, 3 Feb 2009 16:06:06 +0300 [thread overview]
Message-ID: <20090203130606.GA25471@ioremap.net> (raw)
In-Reply-To: <20090203123628.GB4639@ff.dom.local>
On Tue, Feb 03, 2009 at 12:36:28PM +0000, Jarek Poplawski (jarkao2@gmail.com) wrote:
> I understand NTA could be better than slabs in above-mentioned cases,
> but I'm not sure you explaind enough your point on solving this
> zero-copy problem vs. NTA?
NTA steals pages from the SLAB so we can maintain any reference counter
logic in them, so linear part of the skb may be not really freed/reused
until reference counter hits zero.
--
Evgeniy Polyakov
next prev parent reply other threads:[~2009-02-03 13:06 UTC|newest]
Thread overview: 190+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-08 17:30 [PATCH] tcp: splice as many packets as possible at once Willy Tarreau
2009-01-08 19:44 ` Jens Axboe
2009-01-08 22:03 ` Willy Tarreau
2009-01-08 21:50 ` Ben Mansell
2009-01-08 21:55 ` David Miller
2009-01-08 22:20 ` Willy Tarreau
2009-01-13 23:08 ` David Miller
2009-01-09 6:47 ` Eric Dumazet
2009-01-09 7:04 ` Willy Tarreau
2009-01-09 7:28 ` Eric Dumazet
2009-01-09 7:42 ` Willy Tarreau
2009-01-13 23:27 ` David Miller
2009-01-13 23:35 ` Eric Dumazet
2009-01-09 15:42 ` Eric Dumazet
2009-01-09 17:57 ` Eric Dumazet
2009-01-09 18:54 ` Willy Tarreau
2009-01-09 20:51 ` Eric Dumazet
2009-01-09 21:24 ` Willy Tarreau
2009-01-09 22:02 ` Eric Dumazet
2009-01-09 22:09 ` Willy Tarreau
2009-01-09 22:07 ` Willy Tarreau
2009-01-09 22:12 ` Eric Dumazet
2009-01-09 22:17 ` Willy Tarreau
2009-01-09 22:42 ` Evgeniy Polyakov
2009-01-09 22:50 ` Willy Tarreau
2009-01-09 23:01 ` Evgeniy Polyakov
2009-01-09 23:06 ` Willy Tarreau
2009-01-10 7:40 ` Eric Dumazet
2009-01-11 12:58 ` Evgeniy Polyakov
2009-01-11 13:14 ` Eric Dumazet
2009-01-11 13:35 ` Evgeniy Polyakov
2009-01-11 16:00 ` Eric Dumazet
2009-01-11 16:05 ` Evgeniy Polyakov
2009-01-14 0:07 ` David Miller
2009-01-14 0:13 ` Evgeniy Polyakov
2009-01-14 0:16 ` David Miller
2009-01-14 0:22 ` Evgeniy Polyakov
2009-01-14 0:37 ` David Miller
2009-01-14 3:51 ` Herbert Xu
2009-01-14 4:25 ` David Miller
2009-01-14 7:27 ` David Miller
2009-01-14 8:26 ` Herbert Xu
2009-01-14 8:53 ` Jarek Poplawski
2009-01-14 9:29 ` David Miller
2009-01-14 9:42 ` Jarek Poplawski
2009-01-14 10:06 ` David Miller
2009-01-14 10:47 ` Jarek Poplawski
2009-01-14 11:29 ` Herbert Xu
2009-01-14 11:40 ` Jarek Poplawski
2009-01-14 11:45 ` Jarek Poplawski
2009-01-14 9:54 ` Jarek Poplawski
2009-01-14 10:01 ` Willy Tarreau
2009-01-14 12:06 ` Jarek Poplawski
2009-01-14 12:15 ` Jarek Poplawski
2009-01-14 11:28 ` Herbert Xu
2009-01-15 23:03 ` Willy Tarreau
2009-01-15 23:19 ` David Miller
2009-01-15 23:19 ` Herbert Xu
2009-01-15 23:26 ` David Miller
2009-01-15 23:32 ` Herbert Xu
2009-01-15 23:34 ` David Miller
2009-01-15 23:42 ` Willy Tarreau
2009-01-15 23:44 ` Willy Tarreau
2009-01-15 23:54 ` David Miller
2009-01-19 0:42 ` Willy Tarreau
2009-01-19 3:08 ` Herbert Xu
2009-01-19 3:27 ` David Miller
2009-01-19 6:14 ` Willy Tarreau
2009-01-19 6:19 ` David Miller
2009-01-19 6:45 ` Willy Tarreau
2009-01-19 10:19 ` Herbert Xu
2009-01-19 20:59 ` David Miller
2009-01-19 21:24 ` Herbert Xu
2009-01-25 21:03 ` Willy Tarreau
2009-01-26 7:59 ` Jarek Poplawski
2009-01-26 8:12 ` Willy Tarreau
2009-01-19 8:40 ` Jarek Poplawski
2009-01-19 3:28 ` David Miller
2009-01-19 6:11 ` Willy Tarreau
2009-01-24 21:23 ` Willy Tarreau
2009-01-20 12:01 ` Ben Mansell
2009-01-20 12:11 ` Evgeniy Polyakov
2009-01-20 13:43 ` Ben Mansell
2009-01-20 14:06 ` Jarek Poplawski
2009-01-16 6:51 ` Jarek Poplawski
2009-01-19 6:08 ` David Miller
2009-01-19 6:16 ` David Miller
2009-01-19 10:20 ` Herbert Xu
2009-01-20 8:37 ` Jarek Poplawski
2009-01-20 9:33 ` [PATCH v2] " Jarek Poplawski
2009-01-20 10:00 ` Evgeniy Polyakov
2009-01-20 10:20 ` Jarek Poplawski
2009-01-20 10:31 ` Evgeniy Polyakov
2009-01-20 11:01 ` Jarek Poplawski
2009-01-20 17:16 ` David Miller
2009-01-21 9:54 ` Jarek Poplawski
2009-01-22 9:04 ` [PATCH v3] " Jarek Poplawski
2009-01-26 5:22 ` David Miller
2009-01-27 7:11 ` Herbert Xu
2009-01-27 7:54 ` Jarek Poplawski
2009-01-27 10:09 ` Herbert Xu
2009-01-27 10:35 ` Jarek Poplawski
2009-01-27 10:57 ` Jarek Poplawski
2009-01-27 11:48 ` Herbert Xu
2009-01-27 12:16 ` Jarek Poplawski
2009-01-27 12:31 ` Jarek Poplawski
2009-01-27 17:06 ` David Miller
2009-01-28 8:10 ` Jarek Poplawski
2009-02-01 8:41 ` David Miller
2009-01-26 8:20 ` [PATCH v2] " Jarek Poplawski
2009-01-26 21:21 ` Evgeniy Polyakov
2009-01-27 6:10 ` David Miller
2009-01-27 7:40 ` Jarek Poplawski
2009-01-30 21:42 ` David Miller
2009-01-30 21:59 ` Willy Tarreau
2009-01-30 22:03 ` David Miller
2009-01-30 22:13 ` Willy Tarreau
2009-01-30 22:15 ` David Miller
2009-01-30 22:16 ` Herbert Xu
2009-02-02 8:08 ` Jarek Poplawski
2009-02-02 8:18 ` David Miller
2009-02-02 8:43 ` Jarek Poplawski
2009-02-03 7:50 ` David Miller
2009-02-03 9:41 ` Jarek Poplawski
2009-02-03 11:10 ` Evgeniy Polyakov
2009-02-03 11:24 ` Herbert Xu
2009-02-03 11:49 ` Evgeniy Polyakov
2009-02-03 11:53 ` Herbert Xu
2009-02-03 12:07 ` Evgeniy Polyakov
2009-02-03 12:12 ` Herbert Xu
2009-02-03 12:18 ` Evgeniy Polyakov
2009-02-03 12:25 ` Willy Tarreau
2009-02-03 12:28 ` Herbert Xu
2009-02-04 0:47 ` David Miller
2009-02-04 6:19 ` Willy Tarreau
2009-02-04 8:12 ` Evgeniy Polyakov
2009-02-04 8:54 ` Willy Tarreau
2009-02-04 8:59 ` Herbert Xu
2009-02-04 9:01 ` David Miller
2009-02-04 9:12 ` Willy Tarreau
2009-02-04 9:15 ` David Miller
2009-02-04 19:19 ` Roland Dreier
2009-02-04 19:28 ` Willy Tarreau
2009-02-04 19:48 ` Jarek Poplawski
2009-02-05 8:32 ` Bill Fink
2009-02-04 9:12 ` David Miller
2009-02-03 12:27 ` Herbert Xu
2009-02-03 13:05 ` david
2009-02-03 12:12 ` Evgeniy Polyakov
2009-02-03 12:18 ` Herbert Xu
2009-02-03 12:30 ` Evgeniy Polyakov
2009-02-03 12:33 ` Herbert Xu
2009-02-03 12:33 ` Nick Piggin
2009-02-04 0:46 ` David Miller
2009-02-04 9:41 ` Benny Amorsen
2009-02-04 12:01 ` Herbert Xu
2009-02-03 12:36 ` Jarek Poplawski
2009-02-03 13:06 ` Evgeniy Polyakov [this message]
2009-02-03 13:25 ` Jarek Poplawski
2009-02-03 14:20 ` Evgeniy Polyakov
2009-02-04 0:46 ` David Miller
2009-02-04 8:08 ` Evgeniy Polyakov
2009-02-04 9:23 ` Nick Piggin
2009-02-04 7:56 ` Jarek Poplawski
2009-02-06 7:52 ` David Miller
2009-02-06 8:09 ` Herbert Xu
2009-02-06 9:10 ` Jarek Poplawski
2009-02-06 9:17 ` David Miller
2009-02-06 9:42 ` Jarek Poplawski
2009-02-06 9:49 ` David Miller
2009-02-06 9:23 ` Herbert Xu
2009-02-06 9:51 ` Jarek Poplawski
2009-02-06 10:28 ` Herbert Xu
2009-02-06 10:58 ` Jarek Poplawski
2009-02-06 11:10 ` Willy Tarreau
2009-02-06 11:47 ` Jarek Poplawski
2009-02-06 18:59 ` Jarek Poplawski
2009-02-03 11:38 ` Nick Piggin
2009-01-27 18:42 ` David Miller
2009-01-15 23:32 ` [PATCH] " Willy Tarreau
2009-01-15 23:35 ` David Miller
2009-01-14 0:51 ` Herbert Xu
2009-01-14 1:24 ` David Miller
2009-01-09 22:45 ` Eric Dumazet
2009-01-09 22:53 ` Willy Tarreau
2009-01-09 23:34 ` Eric Dumazet
2009-01-13 5:45 ` David Miller
2009-01-14 0:05 ` David Miller
2009-01-13 23:31 ` David Miller
2009-01-13 23:26 ` David Miller
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=20090203130606.GA25471@ioremap.net \
--to=zbr@ioremap.net \
--cc=ben@zeus.com \
--cc=dada1@cosmosbay.com \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--cc=jarkao2@gmail.com \
--cc=jens.axboe@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=netdev@vger.kernel.org \
--cc=w@1wt.eu \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.