netdev - Re: [PATCH net] tcp: Add a stub for sk_defer_free

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Message-ID: <20220120082513.46b401ba@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Thu, 20 Jan 2022 08:25:13 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     Gal Pressman <gal@...dia.com>, Tariq Toukan <tariqt@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Saeed Mahameed <saeedm@...dia.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH net] tcp: Add a stub for sk_defer_free_flush()

On Thu, 20 Jan 2022 08:13:24 -0800 Eric Dumazet wrote:
> On Thu, Jan 20, 2022 at 8:05 AM Jakub Kicinski <kuba@...nel.org> wrote:
> > On Thu, 20 Jan 2022 04:39:19 -0800 Eric Dumazet wrote:  
> > > Yes, this is one way to fix this, thanks.  
> >
> > Yeah.. isn't it better to move __sk_defer_free_flush and co.
> > out of TCP code?  
> 
> sk->defer_list is currently only fed from tcp_eat_recv_skb(),
> I guess we can leave the code, until we have another user than TCP ?

I was mostly thinking of a way to avoid the #ifdef-inery
but I guess it's not too bad