netdev - Re: ip_gre headroom allocation

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Message-ID: <20090611121236.GA2866@gondor.apana.org.au>
Date:	Thu, 11 Jun 2009 22:12:36 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Timo Teräs <timo.teras@....fi>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	kuznet@....inr.ac.ru
Subject: Re: ip_gre headroom allocation

On Thu, Jun 11, 2009 at 02:51:26PM +0300, Timo Teräs wrote:
>
> I guess so. The difference is not too many bytes. Is it ok to just
> change the dev->needed_headroom from xmit routine?

I don't see why not.  Also we only need to change it in xmit if
we hit an skb that needs to be reallocated.

Cheers,
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