[PATCH] mm: Simplify for_each_populated_zone()

["Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>]

Simplify the if/else block to make it more readable.

Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
---

 include/linux/mmzone.h |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index ede2749..2489042 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -948,9 +948,7 @@ extern struct zone *next_zone(struct zone *zone);
 	for (zone = (first_online_pgdat())->node_zones; \
 	     zone;					\
 	     zone = next_zone(zone))			\
-		if (!populated_zone(zone))		\
-			; /* do nothing */		\
-		else
+		if (populated_zone(zone))
 
 static inline struct zone *zonelist_zone(struct zoneref *zoneref)
 {

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