netdev - Re: [PATCH net-next 0/5] net: skbuff: hide some bitfield members

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Message-ID: <CANn89iKD-PUp0gGVBs=WwR_w5OCYMVJM43L3azP-2iBqXYKFjg@mail.gmail.com>
Date:   Sat, 15 Apr 2023 13:53:55 +0200
From:   Eric Dumazet <edumazet@...gle.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, pabeni@...hat.com
Subject: Re: [PATCH net-next 0/5] net: skbuff: hide some bitfield members

On Fri, Apr 14, 2023 at 6:04 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> There is a number of protocol or subsystem specific fields
> in struct sk_buff which are only accessed by one subsystem.
> We can wrap them in ifdefs with minimal code impact.
>
> This gives us a better chance to save a 2B and a 4B holes
> resulting with the following savings (assuming a lucky
> kernel config):
>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>