From: Florian Westphal
Date: Wed, 26 Aug 2020 01:31:05 +0200
> After subflow lock is dropped, more wmem might have been made available.
>
> This fixes a deadlock in mptcp_connect.sh 'mmap' mode: wmem is exhausted.
> But as the mptcp socket holds on to already-acked data (for retransmit)
> no wak
After subflow lock is dropped, more wmem might have been made available.
This fixes a deadlock in mptcp_connect.sh 'mmap' mode: wmem is exhausted.
But as the mptcp socket holds on to already-acked data (for retransmit)
no wakeup will occur.
Using 'goto restart' calls mptcp_clean_una(sk) which wil
