init android origin source code

1 files changed, 32 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/mips/kernel/topology.c b/ANDROID_3.4.5/arch/mips/kernel/topology.c
new file mode 100644
index 00000000..cf3eb61f
--- /dev/null
+++ b/ANDROID_3.4.5/arch/mips/kernel/topology.c
@@ -0,0 +1,32 @@
+#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);