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

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Message-ID: <20220120080530.69cbbcf2@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Thu, 20 Jan 2022 08:05:30 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Gal Pressman <gal@...dia.com>, Tariq Toukan <tariqt@...dia.com>
Cc:     Eric Dumazet <edumazet@...gle.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 04:39:19 -0800 Eric Dumazet wrote:
> On Thu, Jan 20, 2022 at 4:34 AM Gal Pressman <gal@...dia.com> wrote:
> > When compiling the kernel with CONFIG_INET disabled, the
> > sk_defer_free_flush() should be defined as a nop.
> >
> > This resolves the following compilation error:
> >   ld: net/core/sock.o: in function `sk_defer_free_flush':
> >   ./include/net/tcp.h:1378: undefined reference to `__sk_defer_free_flush'  
> 
> 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?