---

yaml
---
r: 91387
b: refs/heads/master
c: 00a41db
h: refs/heads/master
i:
  91385: 0067f9e
  91383: d75b2ef
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: da19cbcf71cde3c09587b5924d113f0c7f1fd23a
+refs/heads/master: 00a41db522c77af33ea5ee9837d4f043ce150249

trunk/drivers/base/memory.c

@@ -62,35 +62,27 @@ void unregister_memory_notifier(struct notifier_block *nb)
 /*
  * register_memory - Setup a sysfs device for a memory block
  */
-int register_memory(struct memory_block *memory, struct mem_section *section,
-		struct node *root)
+static
+int register_memory(struct memory_block *memory, struct mem_section *section)
 {
 	int error;
 
 	memory->sysdev.cls = &memory_sysdev_class;
 	memory->sysdev.id = __section_nr(section);
 
 	error = sysdev_register(&memory->sysdev);
-
-	if (root && !error)
-		error = sysfs_create_link(&root->sysdev.kobj,
-					  &memory->sysdev.kobj,
-					  kobject_name(&memory->sysdev.kobj));
-
 	return error;
 }
 
 static void
-unregister_memory(struct memory_block *memory, struct mem_section *section,
-		struct node *root)
+unregister_memory(struct memory_block *memory, struct mem_section *section)
 {
 	BUG_ON(memory->sysdev.cls != &memory_sysdev_class);
 	BUG_ON(memory->sysdev.id != __section_nr(section));
 
+	/* drop the ref. we got in remove_memory_block() */
+	kobject_put(&memory->sysdev.kobj);
 	sysdev_unregister(&memory->sysdev);
-	if (root)
-		sysfs_remove_link(&root->sysdev.kobj,
-				  kobject_name(&memory->sysdev.kobj));
 }
 
 /*
@@ -345,7 +337,7 @@ static int add_memory_block(unsigned long node_id, struct mem_section *section,
 	mutex_init(&mem->state_mutex);
 	mem->phys_device = phys_device;
 
-	ret = register_memory(mem, section, NULL);
+	ret = register_memory(mem, section);
 	if (!ret)
 		ret = mem_create_simple_file(mem, phys_index);
 	if (!ret)
@@ -396,7 +388,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
 	mem_remove_simple_file(mem, phys_index);
 	mem_remove_simple_file(mem, state);
 	mem_remove_simple_file(mem, phys_device);
-	unregister_memory(mem, section, NULL);
+	unregister_memory(mem, section);
 
 	return 0;
 }