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 8static DEFINE_PER_CPU(struct cpu, cpu_devices); 9 10static int __init topology_init(void) 11{ 12 int i, ret; 13 14#ifdef CONFIG_NUMA 15 for_each_online_node(i) 16 register_one_node(i); 17#endif /* CONFIG_NUMA */ 18 19 for_each_present_cpu(i) { 20 struct cpu *c = &per_cpu(cpu_devices, i); 21 22 c->hotpluggable = 1; 23 ret = register_cpu(c, i); 24 if (ret) 25 printk(KERN_WARNING "topology_init: register_cpu %d " 26 "failed (%d)\n", i, ret); 27 } 28 29 return 0; 30} 31 32subsys_initcall(topology_init); 33