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

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Message-ID: <alpine.LNX.2.01.1209231446170.9625@nerf07.vanv.qr>
Date:	Sun, 23 Sep 2012 14:47:28 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...i.de>
To:	David Miller <davem@...emloft.net>
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()

On Friday 2012-09-21 18:27, David Miller wrote:

>From: Eric Dumazet <eric.dumazet@...il.com>
>Date: Fri, 21 Sep 2012 17:48:31 +0200
>
>> There is probably a reason why lo default MTU is 16436 ?
>
>That's what fit into L1 caches back in 1999

Would it make sense to automatically set lo's MTU on device registration 
to the actual size of the L1 that the $running system has?
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