Re: poor network loopback performance and scalability (was: Re: [RFC,PATCH] loopback: calls netif_receive_skb() instead of netif_rx())

Herbert Xu
2008-04-21T03:24:35Z

Ingo Molnar <mingo@elte.hu> wrote:
>
> # ifconfig lo mtu 1048576

Chiming in late here, but 1048576 can't possibly work with IP
which uses a 16-bit quantity as the length header. In fact a
quick test seems to indicate that an 1048576 mtu doesn't generate
anything bigger than the default 16K mtu.

Cheers,
--
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