diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 2d22e47dc1ebac5716f4ce6995f79b295f364eb7..337956748976ec23f47218f8319e66bf6eb1422c 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -110,11 +110,6 @@ struct free_area {
 	unsigned long		nr_free;
 };
 
-static inline bool free_area_empty(struct free_area *area, int migratetype)
-{
-	return list_empty(&area->free_list[migratetype]);
-}
-
 struct pglist_data;
 
 #ifdef CONFIG_NUMA
diff --git a/mm/internal.h b/mm/internal.h
index 73b167b59cc533e7d07157ac4a763a17f6c9e896..92ddd3a05b74a8894842abb2624e4b2e76761188 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -517,6 +517,11 @@ void init_cma_reserved_pageblock(struct page *page);
 int find_suitable_fallback(struct free_area *area, unsigned int order,
 			int migratetype, bool only_stealable, bool *can_steal);
 
+static inline bool free_area_empty(struct free_area *area, int migratetype)
+{
+	return list_empty(&area->free_list[migratetype]);
+}
+
 /*
  * These three helpers classifies VMAs for virtual memory accounting.
  */