From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: Tom Herbert <tom@herbertland.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Linux Kernel Network Developers <netdev@vger.kernel.org>,
Kernel Team <kernel-team@fb.com>,
davewatson@fb.com,
Alexei Starovoitov <alexei.starovoitov@gmail.com>
Subject: Re: [PATCH net-next 4/6] kcm: Kernel Connection Multiplexor module
Date: Fri, 20 Nov 2015 18:27:10 -0500 [thread overview]
Message-ID: <20151120232710.GC10508@oracle.com> (raw)
In-Reply-To: <CALx6S36p3RAy+7ZO6G=MjAyLz95zr-UD7AUaFe8kS8EVUHHFNw@mail.gmail.com>
On (11/20/15 15:19), Tom Herbert wrote:
>
> I did notice that RDS is just creating sglist, but I also noticed that
> this requires allocating "struct rds_message" which holds pointers to
> the sglist, list pointers for a queue, etc. This looks to me like its
> emulating skbuffs anyway. I haven't looked if there's performance
yes, some of that might come from the IB origins of the code
so that it could be shared with an IB transport. I was just wondering
if directly using sk_buffs would be a significant perf win for rds-tcp.
> issues otherwise in using the fraglist. It might be interesting if
> there was an interface to send skbufs on a kernel socket.
yes. Or if there was a way to factor out the non-zero page-order
enhancements in skb_page_frag_refill in a way that they could be
shared with RDS.
--Sowmini
next prev parent reply other threads:[~2015-11-20 23:27 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-20 21:21 [PATCH net-next 0/6] kcm: Kernel Connection Multiplexor (KCM) Tom Herbert
2015-11-20 21:21 ` [PATCH net-next 1/6] rcu: Add list_next_or_null_rcu Tom Herbert
2015-11-20 21:21 ` [PATCH net-next 2/6] net: Make sock_alloc exportable Tom Herbert
2015-11-20 21:21 ` [PATCH net-next 3/6] net: Add MSG_BATCH flag Tom Herbert
2015-11-23 10:02 ` Hannes Frederic Sowa
2015-11-20 21:21 ` [PATCH net-next 4/6] kcm: Kernel Connection Multiplexor module Tom Herbert
2015-11-20 22:50 ` Sowmini Varadhan
2015-11-20 23:19 ` Tom Herbert
2015-11-20 23:27 ` Sowmini Varadhan [this message]
2015-11-20 23:10 ` Alexei Starovoitov
2015-11-20 23:20 ` Tom Herbert
2015-11-23 9:42 ` Daniel Borkmann
2015-11-20 21:21 ` [PATCH net-next 5/6] kcm: Add statistics and proc interfaces Tom Herbert
2015-11-20 21:22 ` [PATCH net-next 6/6] kcm: Add description in Documentation Tom Herbert
2015-11-23 9:53 ` [PATCH net-next 0/6] kcm: Kernel Connection Multiplexor (KCM) Hannes Frederic Sowa
2015-11-23 12:43 ` Sowmini Varadhan
2015-11-23 17:33 ` Tom Herbert
2015-11-23 19:35 ` Hannes Frederic Sowa
2015-11-23 19:54 ` David Miller
2015-11-23 20:02 ` Tom Herbert
2015-11-24 11:25 ` Hannes Frederic Sowa
2015-11-24 15:49 ` David Miller
2015-11-24 15:27 ` Florian Westphal
2015-11-24 15:49 ` Eric Dumazet
2015-11-24 18:09 ` Rick Jones
2015-11-24 15:55 ` David Miller
2015-11-24 16:25 ` Florian Westphal
2015-11-24 17:00 ` Tom Herbert
2015-11-24 17:16 ` Florian Westphal
2015-11-24 17:43 ` Tom Herbert
2015-11-24 20:55 ` Florian Westphal
2015-11-24 21:49 ` Tom Herbert
2015-11-24 22:22 ` Florian Westphal
2015-11-24 22:25 ` David Miller
2015-11-24 22:45 ` Florian Westphal
2015-11-24 23:13 ` Hannes Frederic Sowa
2015-11-24 18:23 ` Hannes Frederic Sowa
2015-11-24 18:59 ` Alexei Starovoitov
2015-11-24 19:16 ` Hannes Frederic Sowa
2015-11-24 19:26 ` Hannes Frederic Sowa
2015-11-24 20:23 ` Alexei Starovoitov
[not found] ` <1448402288.1489559.449199721.64EBB346@webmail.messagingengine.com>
[not found] ` <20151124222109.GA86838@ast-mbp.thefacebook.com>
2015-11-25 10:38 ` Hannes Frederic Sowa
2015-11-25 16:26 ` Sowmini Varadhan
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