netdev - Re: [PATCH v2 net-next 0/2] mptcp: adjust tcp rcvspace on rx

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Message-Id: <20200526.202812.2041217173134298145.davem@davemloft.net>
Date:   Tue, 26 May 2020 20:28:12 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     fw@...len.de
Cc:     netdev@...r.kernel.org, matthieu.baerts@...sares.net,
        mathew.j.martineau@...ux.intel.com, pabeni@...hat.com
Subject: Re: [PATCH v2 net-next 0/2] mptcp: adjust tcp rcvspace on rx

From: Florian Westphal <fw@...len.de>
Date: Mon, 25 May 2020 20:15:06 +0200

> These two patches improve mptcp throughput by making sure tcp grows
> the receive buffer when we move skbs from subflow socket to the
> mptcp socket.
> 
> The second patch moves mptcp receive buffer increase to the recvmsg
> path, i.e. we only change its size when userspace processes/consumes
> the data.  This is done by using the largest rcvbuf size of the active
> subflows.

What's the follow-up wrt. Christoph's feedback on patch #2?