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Date:   Fri, 30 Sep 2022 20:07:55 +0000
From:   Shenwei Wang <shenwei.wang@....com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Wei Fang <wei.fang@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "imx@...ts.linux.dev" <imx@...ts.linux.dev>
Subject: RE: [EXT] Re: [PATCH 1/1] net: fec: using page pool to manage RX
 buffers



> -----Original Message-----
> From: Andrew Lunn <andrew@...n.ch>
> Sent: Friday, September 30, 2022 3:05 PM
> To: Shenwei Wang <shenwei.wang@....com>
> Cc: David S . Miller <davem@...emloft.net>; Eric Dumazet
> <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni
> <pabeni@...hat.com>; Alexei Starovoitov <ast@...nel.org>; Daniel Borkmann
> <daniel@...earbox.net>; Jesper Dangaard Brouer <hawk@...nel.org>; John
> Fastabend <john.fastabend@...il.com>; Wei Fang <wei.fang@....com>;
> netdev@...r.kernel.org; linux-kernel@...r.kernel.org; imx@...ts.linux.dev
> Subject: [EXT] Re: [PATCH 1/1] net: fec: using page pool to manage RX buffers
> 
> Caution: EXT Email
> 
> > -static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb,
> > -                            struct bufdesc *bdp, u32 length, bool swap)
> > +static bool __maybe_unused
> > +fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb,
> > +                struct bufdesc *bdp, u32 length, bool swap)
> >  {
> 
> Why add __maybe_unused? If its not used, remove it. We don't leave dead
> functions in the code.
> 

I was thinking to remove them by a separate patch once the page pool solution is accepted.

Regards,
Shenwei

>      Andrew

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