Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

1 files changed, 19 insertions, 3 deletions

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 583d57ec49a..904b27caf69 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -87,7 +87,7 @@ static ssize_t node_read_numastat(struct sys_device * dev, char * buf)
 	for (i = 0; i < MAX_NR_ZONES; i++) {
 		struct zone *z = &pg->node_zones[i];
 		for (cpu = 0; cpu < NR_CPUS; cpu++) {
-			struct per_cpu_pageset *ps = &z->pageset[cpu];
+			struct per_cpu_pageset *ps = zone_pcp(z,cpu);
 			numa_hit += ps->numa_hit;
 			numa_miss += ps->numa_miss;
 			numa_foreign += ps->numa_foreign;
@@ -136,7 +136,7 @@ static SYSDEV_ATTR(distance, S_IRUGO, node_read_distance, NULL);
  *
  * Initialize and register the node device.
  */
-int __init register_node(struct node *node, int num, struct node *parent)
+int register_node(struct node *node, int num, struct node *parent)
 {
 	int error;
 
@@ -153,8 +153,24 @@ int __init register_node(struct node *node, int num, struct node *parent)
 	return error;
 }
 
+/**
+ * unregister_node - unregister a node device
+ * @node: node going away
+ *
+ * Unregisters a node device @node.  All the devices on the node must be
+ * unregistered before calling this function.
+ */
+void unregister_node(struct node *node)
+{
+	sysdev_remove_file(&node->sysdev, &attr_cpumap);
+	sysdev_remove_file(&node->sysdev, &attr_meminfo);
+	sysdev_remove_file(&node->sysdev, &attr_numastat);
+	sysdev_remove_file(&node->sysdev, &attr_distance);
+
+	sysdev_unregister(&node->sysdev);
+}
 
-int __init register_node_type(void)
+static int __init register_node_type(void)
 {
 	return sysdev_class_register(&node_class);
 }