[PATCH] mm: move free_area_empty() to mm/internal.h

[Mike Rapoport]

From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>

The free_area_empty() helper is only used inside mm/ so move it there to
reduce noise in include/linux/mmzone.h

Suggested-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
---
 include/linux/mmzone.h | 5 -----
 mm/internal.h          | 5 +++++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 72837e019bd1..3ccada5e8799 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 c05ad651b515..18cda26b8a92 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.
  */

base-commit: 51551d71edbc998fd8c8afa7312db3d270f5998e
-- 
2.35.1