topology.c

Go to the documentation of this file.

#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) {
        struct cpu *c = &per_cpu(cpu_devices, i);

        c->hotpluggable = 1;
        ret = register_cpu(c, i);
        if (ret)
            printk(KERN_WARNING "topology_init: register_cpu %d "
                   "failed (%d)\n", i, ret);
    }

    return 0;
}

subsys_initcall(topology_init);