LXR linux/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
   9static DEFINE_PER_CPU(struct cpu, cpu_devices);
  10
  11static 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 = 1;
  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
  33subsys_initcall(topology_init);
  34