[PATCH v2] mm: skip less than check for MAX_NR_ZONES

[alexs@xxxxxxxxxx]

From: Alex Shi <alexs@xxxxxxxxxx>

Remove unnecessary '<' check for ZONES_SHIFT assignment.

Signed-off-by: Alex Shi <alexs@xxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
 include/linux/page-flags-layout.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/page-flags-layout.h b/include/linux/page-flags-layout.h
index 7d79818dc065..7edc2b8a3414 100644
--- a/include/linux/page-flags-layout.h
+++ b/include/linux/page-flags-layout.h
@@ -14,7 +14,7 @@
  */
 #if MAX_NR_ZONES < 2
 #define ZONES_SHIFT 0
-#elif MAX_NR_ZONES <= 2
+#elif MAX_NR_ZONES == 2
 #define ZONES_SHIFT 1
 #elif MAX_NR_ZONES <= 4
 #define ZONES_SHIFT 2
-- 
2.43.0