Subject: Re: [PATCH 19/24] net, diet: Make RPS configurable

From: Bjørn Mork <[email-masked]>
Date: Tue, 06 May 2014 10:32:03 +0200

Andi Kleen <[email-masked]> writes:

> From: Andi Kleen <[email-masked]>
>
> Multiple receive queues are not needed on small systems,
> so allow disabling them.
>
> This is already disabled with !SMP, but it also makes
> sense to disable on very small SMP systems (like
> dual core SOC)

Such a pointless design still doesn't mean that you *have* to enable
SMP, does it?  How much would you save all over the kernel by simply
disabling SMP?

As for the system design: It seems to me that it would be more useful to
replace one of the CPU cores with some RAM...

Bjørn