Re: non-NUMA cache_free_alien() (was Re: [RFC] SLAB : NUMA cache_free_alien() very expensive because of virt_to_slab(objp); nodeid = slabp->nodeid;)

[Andi Kleen]

> But that is based on compile time option, isn't it? Perhaps I need
> to use some other mechanism to find out the platform is not NUMA capable..

We can probably make it runtime on x86. That will be needed sooner or 
later for correct NUMA hotplug support anyways.

-Andi
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