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-rw-r--r--mm/internal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 73b167b59cc533..92ddd3a05b74a8 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.
*/