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From: David Miller <davem@davemloft.net>
To: rick.jones2@hp.com
Cc: eric.dumazet@gmail.com, subramanian.vijay@gmail.com,
	netdev@vger.kernel.org
Subject: Re: [RFC] tcp: use order-3 pages in tcp_sendmsg()
Date: Thu, 20 Sep 2012 15:40:07 -0400 (EDT)	[thread overview]
Message-ID: <20120920.154007.1073423645697694793.davem@davemloft.net> (raw)
In-Reply-To: <505B4E13.5000501@hp.com>

From: Rick Jones <rick.jones2@hp.com>
Date: Thu, 20 Sep 2012 10:10:43 -0700

> On 09/19/2012 10:37 PM, Eric Dumazet wrote:
>> loopback is lossless, so its always surprising we can have TCP
>> retransmits on this medium ;)
> 
> Is it lossless?
> 
> raj@tardy:~/netperf2_trunk$ netstat -s | grep pru
>     19 packets pruned from receive queue because of socket buffer overrun

Those packets are not being dropped by the loopback device.

  parent reply	other threads:[~2012-09-20 19:40 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-17  7:49 [RFC] tcp: use order-3 pages in tcp_sendmsg() Eric Dumazet
2012-09-17 16:12 ` David Miller
2012-09-17 17:02   ` Eric Dumazet
2012-09-17 17:04     ` Eric Dumazet
2012-09-17 17:07       ` David Miller
2012-09-19 15:14         ` Eric Dumazet
2012-09-19 17:28           ` Rick Jones
2012-09-19 17:55             ` Eric Dumazet
2012-09-19 17:56           ` David Miller
2012-09-19 19:04             ` Alexander Duyck
2012-09-19 20:18           ` Ben Hutchings
2012-09-19 22:20           ` Vijay Subramanian
2012-09-20  5:37             ` Eric Dumazet
2012-09-20 17:10               ` Rick Jones
2012-09-20 17:43                 ` Eric Dumazet
2012-09-20 18:37                   ` Yuchung Cheng
2012-09-20 19:40                 ` David Miller [this message]
2012-09-20 20:06                   ` Rick Jones
2012-09-20 20:25                     ` Eric Dumazet
2012-09-21 15:48                       ` Eric Dumazet
2012-09-21 16:27                         ` David Miller
2012-09-21 16:51                           ` Eric Dumazet
2012-09-21 17:04                             ` David Miller
2012-09-21 17:11                               ` Eric Dumazet
2012-09-23 12:47                           ` Jan Engelhardt
2012-09-23 16:16                             ` David Miller
2012-09-23 17:40                               ` Jan Engelhardt
2012-09-23 18:13                                 ` Eric Dumazet
2012-09-23 18:27                                 ` David Miller
2012-09-20 21:39               ` Vijay Subramanian
2012-09-20 22:01               ` Rick Jones
2012-11-15  7:52 ` Yan, Zheng 
2012-11-15 13:06   ` Eric Dumazet
2012-11-16  2:36     ` Yan, Zheng 
2012-11-15 13:47   ` Eric Dumazet
2012-11-21  8:05     ` Yan, Zheng
2012-11-15 18:33   ` Rick Jones

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