On Wed, 2011-03-09 at 14:31 +0100, Martin Schwidefsky wrote: > > But if you don't also update the cpu->node memory mappings (which I > > think it near impossible) what good is it to change the scheduler > > topology? > > The memory for the different LPARs is striped over all nodes (or books as we > call them). We heavily rely on the large shared cache between the books to > hide > the different memory access latencies.
Right, so effectively you don't have NUMA due to that striping. So why then change the CPU topology? Simply create a topology without NUMA and keep it static, that accurately reflects the memory topology. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
