On Mon, 2017-09-18 at 22:06 -0700, Eric Dumazet wrote:
> From: Eric Dumazet
...
> --- a/include/net/tcp.h
> +++ b/include/net/tcp.h
> @@ -797,11 +797,6 @@ struct tcp_skb_cb {
> u16 tcp_gso_segs;
> u16 tcp_gso_size;
> };
> -
> -
From: Eric Dumazet
skb->rbnode shares space with skb->next, skb->prev and skb->tstamp
Current uses (TCP receive ofo queue and netem) need to save/restore
tstamp.
Since we might use an RB tree for TCP retransmit queue at some point
to speedup SACK processing with large rtx queues, this patch
