1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/memory.h b/include/linux/memory.h
index ec376e482abb..33f0ff0cf634 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -83,10 +83,14 @@ extern int memory_notify(unsigned long val, void *v);
 
 #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
 
+#ifdef CONFIG_MEMORY_HOTPLUG
 #define hotplug_memory_notifier(fn, pri) {                      \
         static struct notifier_block fn##_mem_nb =              \
                 { .notifier_call = fn, .priority = pri };       \
         register_memory_notifier(&fn##_mem_nb);                 \
 }
+#else
+#define hotplug_memory_notifier(fn, pri) do { } while (0)
+#endif
 
 #endif /* _LINUX_MEMORY_H_ */