diff --git a/[refs] b/[refs]
index ca9e87dfe990..432a0cc01b96 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1f536b9e9f85456df93614b3c2f6a1a2b7d7cb9b
+refs/heads/master: f5138e42211d4e8bfbd6ac5b3816348da1533433
diff --git a/trunk/drivers/base/memory.c b/trunk/drivers/base/memory.c
index f17e3ea041c0..ed5de58c340f 100644
--- a/trunk/drivers/base/memory.c
+++ b/trunk/drivers/base/memory.c
@@ -295,11 +295,22 @@ static int memory_block_change_state(struct memory_block *mem,
 
 	ret = memory_block_action(mem->start_section_nr, to_state);
 
-	if (ret)
+	if (ret) {
 		mem->state = from_state_req;
-	else
-		mem->state = to_state;
+		goto out;
+	}
 
+	mem->state = to_state;
+	switch (mem->state) {
+	case MEM_OFFLINE:
+		kobject_uevent(&mem->dev.kobj, KOBJ_OFFLINE);
+		break;
+	case MEM_ONLINE:
+		kobject_uevent(&mem->dev.kobj, KOBJ_ONLINE);
+		break;
+	default:
+		break;
+	}
 out:
 	mutex_unlock(&mem->state_mutex);
 	return ret;