On Sat, Mar 25, 2023 at 11:55:08AM -0700, Yury Norov wrote: > The function searches for the next CPU in a given cpumask according to > NUMA topology, so that it traverses cpus per-hop. > > If the CPU is the last cpu in a given hop, sched_numa_find_next_cpu() > switches to the next hop, and picks the first CPU from there, excluding > those already traversed. ... > +/* Hmm... Is it deliberately not a kernel doc? > + * sched_numa_find_next_cpu() - given the NUMA topology, find the next cpu > + * cpumask: cpumask to find a cpu from > + * cpu: current cpu > + * node: local node > + * hop: (in/out) indicates distance order of current CPU to a local node > + * > + * The function searches for next cpu at a given NUMA distance, indicated > + * by hop, and if nothing found, tries to find CPUs at a greater distance, > + * starting from the beginning. > + * > + * returns: cpu, or >= nr_cpu_ids when nothing found. > + */ -- With Best Regards, Andy Shevchenko
