Messages in this thread |  | | Date | Wed, 29 Aug 2018 10:57:38 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] sched/topology: Use Identity node only if required |
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On Wed, Aug 29, 2018 at 10:43:48AM +0200, Peter Zijlstra wrote: > DIE(j) should be: > > cpu_cpu_mask(j) := cpumask_of_node(cpu_to_node(j))
FWIW, I was expecting that to be topology_core_cpumask(), so I'm a little confused myself just now.
> and NODE(j) should be: > > \Union_k cpumask_of_node(k) ; where node_distance(j,k) <= node_distance(0,0) > > which, _should_ reduce to: > > cpumask_of_node(j) > > and thus DIE and NODE _should_ be the same here. > > So what's going sideways?
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