netdev - Re: [PATCH net-next 1/3] net: increase optmem

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Message-ID: <CADVnQyk4vV_Tqy6YBON6ic15x+SjHgMmrHm6eC4xry1qy1vrmQ@mail.gmail.com>
Date: Thu, 14 Dec 2023 11:16:11 -0500
From: Neal Cardwell <ncardwell@...gle.com>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc: Eric Dumazet <edumazet@...gle.com>, "David S . Miller" <davem@...emloft.net>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Willem de Bruijn <willemb@...gle.com>, Mina Almasry <almasrymina@...gle.com>, Chao Wu <wwchao@...gle.com>, 
	Pavel Begunkov <asml.silence@...il.com>, netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next 1/3] net: increase optmem_max default value

On Thu, Dec 14, 2023 at 8:57 AM Willem de Bruijn
<willemdebruijn.kernel@...il.com> wrote:
>
> Eric Dumazet wrote:
> > For many years, /proc/sys/net/core/optmem_max default value
> > on a 64bit kernel has been 20 KB.
> >
> > Regular usage of TCP tx zerocopy needs a bit more.
> >
> > Google has used 128KB as the default value for 7 years without
> > any problem.
> >
> > Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>
> Reviewed-by: Willem de Bruijn <willemb@...gle.com>

Acked-by: Neal Cardwell <ncardwell@...gle.com>

Thanks, Eric!

neal