RE: [Xen-devel] [PATCH net v5] xen-netback: fix fragment detection in checksum setup
From: Eric Dumazet <hidden>
Date: 2013-12-10 17:12:06
On Tue, 2013-12-10 at 16:24 +0000, Paul Durrant wrote:
Yes, I guess that's true but if we decide to pull up at all then is it harmful to pull more than we absolutely need?
Pulling too many bytes might hurt aggregation. When one skb is merged to another one (skb_try_coalesce()), if you have payload in skb->head, we cannot free the head, and need one additional 'frag'