Messages in this thread | | | Subject | Re: [Linux-ia64] Re: [PATCH] topology for ia64 | From | Michael Hohnbaum <> | Date | 29 Oct 2002 14:35:28 -0800 |
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On Tue, 2002-10-29 at 14:19, Matthew Dobson wrote: > Erich Focht wrote: > +/* > + * Returns the number of the first CPU on Node 'node'. > + * Slow in the current implementation. > + * Who needs this? > + */ > +/* #define __node_to_first_cpu(node) pool_cpus[pool_ptr[node]] */ > +static inline int __node_to_first_cpu(int node) > > No one is using it now. I think that I will probably deprecate this > function in the near future as it is pretty useless. Anyone looking for > that functionality can just do an __ffs(__node_to_cpu_mask(node)) > instead, and hope that there is a reasonably quick implementation of > __node_to_cpu_mask. > I'm using this in the simple NUMA scheduler. This is quite useful for iterating through a specific node's CPUs. Yes, the functionality can be obtained in a different manner, but is less obvious.
--
Michael Hohnbaum 503-578-5486 hohnbaum@us.ibm.com T/L 775-5486
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