From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] tcp: refactor struct tcp_skb_cb
Date: Mon, 09 May 2016 00:06:24 -0400 (EDT)
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From: Lawrence Brakmo <brakmo@fb.com>
Date: Fri, 6 May 2016 20:35:35 -0700

> Refactor tcp_skb_cb to create two overlaping areas to store
> state for incoming or outgoing skbs based on comments by
> Neal Cardwell to tcp_nv patch:
> 
>    AFAICT this patch would not require an increase in the size of
>    sk_buff cb[] if it were to take advantage of the fact that the
>    tcp_skb_cb header.h4 and header.h6 fields are only used in the packet
>    reception code path, and this in_flight field is only used on the
>    transmit side.
> 
> Signed-off-by: Lawrence Brakmo <brakmo@fb.com>
> Acked-by: Yuchung Cheng <ycheng@google.com>

Applied.