From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [RFC] tcp: use order-3 pages in tcp_sendmsg()
Date: Sun, 23 Sep 2012 14:27:32 -0400 (EDT)
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From: Jan Engelhardt <jengelh@inai.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.