netdev - Re: [PATCH v3] ipv6: Limit mtu to 65575 bytes

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Message-ID: <1397230003.16584.96.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 11 Apr 2014 08:26:43 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>,
	David Miller <davem@...emloft.net>,
	Francois WELLENREITER <f.wellenreiter@...il.com>,
	netdev@...r.kernel.org
Subject: Re: [PATCH v3] ipv6: Limit mtu to 65575 bytes

On Fri, 2014-04-11 at 15:22 +0200, Hannes Frederic Sowa wrote:

> Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
> 
> Eric, the optimization for limiting the mtu in tcp case is still possible.
> It is not that people don't care. ;)

I am not sure I want to add an additional test in TCP, as current
systems do not really have performance issues. I would 99.99% of the
time, MSS is already a multiple of 4.

I think we have more pressing problems ;)


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