netdev - Re: [PATCH net-next] net: introduce a config option to tweak MAX_SKB

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Message-ID: <CANn89i+cKOrOCOK07B=AEd38VuEYe5ggqr59OVQXfChMjYyhuw@mail.gmail.com>
Date:   Mon, 20 Mar 2023 20:40:55 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] net: introduce a config option to tweak MAX_SKB_FRAGS

On Mon, Mar 20, 2023 at 8:37 PM Eric Dumazet <eric.dumazet@...il.com> wrote:
>
> From: Eric Dumazet <edumazet@...gle.com>
>
> Currently, MAX_SKB_FRAGS value is 17.
>
> For standard tcp sendmsg() traffic, no big deal because tcp_sendmsg()
> attempts order-3 allocations, stuffing 32768 bytes per frag.


Hmm... for some reason this old patch triggers a build error in
net/packet/af_packet.c, let me sort this out.