Re: [PATCH net-next 02/13] sk_buff: add skb extension infrastructure
From: Eric Dumazet <hidden>
Date: 2018-12-13 10:58:52
On 12/13/2018 02:39 AM, Florian Westphal wrote:
Thats whats done in the MPTCP out-of-tree implementation, but I don't think its needed. It could just delete the extension before ->queue_xmit() AFAIU.
So, cloning would do an refcount_inc(), and deleting the extension would do an refcount_dec_and_test() ? That is what I called an extra pair of atomic operations.