Re: gso: Attempt to handle mega-GRO packets

Eric Dumazet
2013-11-06T15:05:43Z

On Wed, 2013-11-06 at 16:16 +0800, Herbert Xu wrote:

> Instead of using perfectly sane 4K pages per frag to store guest to
> guest traffic, we now end up using 1.5K frags, which that's why you
> end up having to use the frag_list, WTF?

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.