netdev - Re: gso: Attempt to handle mega-GRO packets

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Message-ID: <20131107003947.GB27976@gondor.apana.org.au>
Date:	Thu, 7 Nov 2013 08:39:47 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Ben Hutchings <bhutchings@...arflare.com>,
	David Miller <davem@...emloft.net>,
	christoph.paasch@...ouvain.be, netdev@...r.kernel.org,
	hkchu@...gle.com, mwdalton@...gle.com, mst@...hat.com
Subject: Re: gso: Attempt to handle mega-GRO packets

On Wed, Nov 06, 2013 at 07:05:41AM -0800, Eric Dumazet wrote:
> 
> Sure, if your host has infinite amount of memory, we can remove all the
> silly and expensive and bore some checks we added in the stack against
> skb->truesize.
> 
> And yes, network stack will be faster.
> 
> But in real life, we have memory constraints.

With intra-page fragmentation, it's not clear that you'd be better
off with this patch in the long run anyway.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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