Subject: Re: [PATCH net v2] geneve: initialize needed_headroom

From: "John W. Linville" <[email-masked]>
Date: Wed, 23 Dec 2015 11:01:13 -0500

On Wed, Dec 23, 2015 at 04:54:27PM +0100, Paolo Abeni wrote:
> Currently the needed_headroom field for the geneve device is left
> to the default value.
> 
> This patch set it to space required for basic geneve encapsulation,
> so that we can avoid the skb head re-allocation on xmit.
> 
> This give a 6% speedup for unsegment traffic on geneve tunnel.
> 
> v1 -> v2:
>   - add ETH_HLEN for the lower device to the needed headroom
> 
> Signed-off-by: Paolo Abeni <[email-masked]>
> Acked-by: Hannes Frederic Sowa <[email-masked]>

This time I really mean it... ;-)

Acked-by: John W. Linville <[email-masked]>

-- 
John W. Linville		Someday the world will need a hero, and you
[email-masked]			might be all we have.  Be ready.