1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e6aacf77986a..186ec6ab334d 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -800,6 +800,14 @@ extern struct zone *next_zone(struct zone *zone);
              zone;                                      \
              zone = next_zone(zone))
 
+#define for_each_populated_zone(zone)                   \
+        for (zone = (first_online_pgdat())->node_zones; \
+             zone;                                      \
+             zone = next_zone(zone))                    \
+                if (!populated_zone(zone))              \
+                        ; /* do nothing */              \
+                else
+
 static inline struct zone *zonelist_zone(struct zoneref *zoneref)
 {
         return zoneref->zone;