Subject: Re: [PATCH net-next v24 08/13] net: add support for skbs with unreadable frags

From: Jakub Kicinski <[email-masked]>
Date: Tue, 3 Sep 2024 14:40:11 -0700

On Sat, 31 Aug 2024 00:43:08 +0000 Mina Almasry wrote:
>  static inline bool tcp_skb_can_collapse_to(const struct sk_buff *skb)
>  {
> -	return likely(!TCP_SKB_CB(skb)->eor);
> +	return likely(!TCP_SKB_CB(skb)->eor && skb_frags_readable(skb));

Do you remember why this is here? Both for Rx and Tx what should matter
is whether the "readability" matches, right? We can merge two unreadable
messages.