topology.c 582 B

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  1. #include <linux/cpu.h>
  2. #include <linux/cpumask.h>
  3. #include <linux/init.h>
  4. #include <linux/node.h>
  5. #include <linux/nodemask.h>
  6. #include <linux/percpu.h>
  7. static DEFINE_PER_CPU(struct cpu, cpu_devices);
  8. static int __init topology_init(void)
  9. {
  10. int i, ret;
  11. #ifdef CONFIG_NUMA
  12. for_each_online_node(i)
  13. register_one_node(i);
  14. #endif /* CONFIG_NUMA */
  15. for_each_present_cpu(i) {
  16. ret = register_cpu(&per_cpu(cpu_devices, i), i);
  17. if (ret)
  18. printk(KERN_WARNING "topology_init: register_cpu %d "
  19. "failed (%d)\n", i, ret);
  20. }
  21. return 0;
  22. }
  23. subsys_initcall(topology_init);