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Date:   Tue, 3 Aug 2021 14:28:55 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>
Cc:     netdev@...r.kernel.org, Geliang Tang <geliangtang@...il.com>,
        davem@...emloft.net, matthieu.baerts@...sares.net,
        mptcp@...ts.linux.dev
Subject: Re: [PATCH net] mptcp: drop unused rcu member in
 mptcp_pm_addr_entry

On Tue, 3 Aug 2021 11:11:16 -0700 (PDT) Mat Martineau wrote:
> On Tue, 3 Aug 2021, Jakub Kicinski wrote:
> > On Mon,  2 Aug 2021 16:19:14 -0700 Mat Martineau wrote:  
> >> From: Geliang Tang <geliangtang@...il.com>
> >>
> >> kfree_rcu() had been removed from pm_netlink.c, so this rcu field in
> >> struct mptcp_pm_addr_entry became useless. Let's drop it.
> >>
> >> Fixes: 1729cf186d8a ("mptcp: create the listening socket for new port")
> >> Signed-off-by: Geliang Tang <geliangtang@...il.com>
> >> Signed-off-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>  
> >
> > This just removes a superfluous member, right? So could as well be
> > applied to net-next?
> 
> Hi Jakub -
> 
> Yes, it's just a superfluous member.
> 
> It seemed like a -net candidate, as it was addressing a mistake in a 
> previous commit (rather than a feature or refactor) and does affect memory 
> usage - and I was trying to be mindful of the stable tree process. But the 
> patch will apply cleanly to either net or net-next, so you could apply to 
> net-next if the fix is not significant enough.
> 
> I'll tune my net-vs-net-next threshold based on the tree I see it applied 
> to :)

Alright, applied but without the Fixes tag. Thanks!

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