--- zzzz-none-000/linux-2.6.19.2/arch/mips/kernel/smp.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/arch/mips/kernel/smp.c	2007-01-11 07:38:19.000000000 +0000
@@ -463,5 +463,28 @@
 	smp_on_each_tlb(flush_tlb_one_ipi, (void *) vaddr);
 }
 
+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) {
+		ret = register_cpu(&per_cpu(cpu_devices, i), i);
+		if (ret)
+			printk(KERN_WARNING "topology_init: register_cpu %d "
+			       "failed (%d)\n", i, ret);
+	}
+
+	return 0;
+}
+
+subsys_initcall(topology_init);
+
 EXPORT_SYMBOL(flush_tlb_page);
 EXPORT_SYMBOL(flush_tlb_one);