On Wed, 2013-10-30 at 09:50 +0800, Herbert Xu wrote:

On Tue, Oct 29, 2013 at 08:08:13AM -0700, Eric Dumazet wrote:

quoted

GRO layer was updated to be able to stack two or three sk_buff,
fully populated with page frags.

Thats quite mandatory to support line rate for 40Gb links.

Indeed I missed this.  Which commit introduced this change?

This was mentioned in the changelog :

<quote>

Christoph Paasch and Jerry Chu reported crashes in skb_segment() caused
by commit 8a29111c7ca6 ("net: gro: allow to build full sized skb")

</quote>