diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 8ce6de5a7e289f4bcf5138d96d013ba71117d66f..937e8258981db78be0b81303d63a8e7ebc30d692 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -53,11 +53,13 @@ int register_memory_notifier(struct notifier_block *nb)
 {
         return blocking_notifier_chain_register(&memory_chain, nb);
 }
+EXPORT_SYMBOL(register_memory_notifier);
 
 void unregister_memory_notifier(struct notifier_block *nb)
 {
         blocking_notifier_chain_unregister(&memory_chain, nb);
 }
+EXPORT_SYMBOL(unregister_memory_notifier);
 
 /*
  * register_memory - Setup a sysfs device for a memory block