Messages in this thread | | | Date | Thu, 22 Mar 2007 18:25:16 -0700 (PDT) | From | Christoph Lameter <> | Subject | 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;) |
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On Thu, 22 Mar 2007, Siddha, Suresh B wrote:
> > You should check num_possible_nodes(), or nr_node_ids (this one is cheaper, > > its a variable instead of a function call) > > 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..
No its runtime.
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