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topology.c

#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/node.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>

static DEFINE_PER_CPU(struct cpu, cpu_devices);

static int __init topology_init(void)
{
      int i, ret;

#ifdef CONFIG_NUMA
      for_each_online_node(i)
            register_one_node(i);
#endif /* CONFIG_NUMA */

      for_each_present_cpu(i) {
            ret = register_cpu(&per_cpu(cpu_devices, i), i);
            if (ret)
                  printk(KERN_WARNING "topology_init: register_cpu %d "
                         "failed (%d)\n", i, ret);
      }

      return 0;
}

subsys_initcall(topology_init);

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