mm: move free_area_empty() to mm/internal.h

The free_area_empty() helper is only used inside mm/ so move it there to reduce noise in include/linux/mmzone.h Link: https://lkml.kernel.org/r/20230326160215.2674531-1-rppt@kernel.org Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org> Suggested-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
andyshrk · Apr 18, 2023 · 62f31bd · 62f31bd
1 parent e961cc5
commit 62f31bd
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diff --git 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
@@ -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.
  */