arch/mips/kernel/topology.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/cpu.h>
   3 #include <linux/cpumask.h>
   4 #include <linux/init.h>
   5 #include <linux/node.h>
   6 #include <linux/nodemask.h>
   7 #include <linux/percpu.h>
   8
   9 static DEFINE_PER_CPU(struct cpu, cpu_devices);
  10
  11 static int __init topology_init(void)
  12 {
  13         int i, ret;
  14
  15 #ifdef CONFIG_NUMA
  16         for_each_online_node(i)
  17                 register_one_node(i);
  18 #endif /* CONFIG_NUMA */
  19
  20         for_each_present_cpu(i) {
  21                 struct cpu *c = &per_cpu(cpu_devices, i);
  22
  23                 c->hotpluggable = !!i;
  24                 ret = register_cpu(c, i);
  25                 if (ret)
  26                         printk(KERN_WARNING "topology_init: register_cpu %d "
  27                                "failed (%d)\n", i, ret);
  28         }
  29
  30         return 0;
  31 }
  32
  33 subsys_initcall(topology_init);