netdev - Re: [RFC] tcp: use order-3 pages in tcp

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Message-Id: <20120923.142732.1588718720272601448.davem@davemloft.net>
Date:	Sun, 23 Sep 2012 14:27:32 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	jengelh@...i.de
Cc:	eric.dumazet@...il.com, rick.jones2@...com,
	subramanian.vijay@...il.com, netdev@...r.kernel.org
Subject: Re: [RFC] tcp: use order-3 pages in tcp_sendmsg()

From: Jan Engelhardt <jengelh@...i.de>
Date: Sun, 23 Sep 2012 19:40:33 +0200 (CEST)

> What would a MTU of 64K buy? Offloading seems pointless for the lo
> device. There is no hardware to offload it to - well, the
> machine already has the packet too.

Traversing the stack once instead of N times.
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