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

Bjørn Mork
2014-05-06T08:32:24Z

Andi Kleen <andi@firstfloor.org> writes:

> From: Andi Kleen <ak@linux.intel.com>
>
> 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