1 files changed, 2 insertions, 2 deletions

diff --git a/fs/jfs/jfs_dtree.h b/fs/jfs/jfs_dtree.h
index 8561c6ecece0..cdac2d5bafeb 100644
--- a/fs/jfs/jfs_dtree.h
+++ b/fs/jfs/jfs_dtree.h
@@ -74,7 +74,7 @@ struct idtentry {
 #define DTIHDRDATALEN   11
 
 /* compute number of slots for entry */
-#define NDTINTERNAL(klen) ( ((4 + (klen)) + (15 - 1)) / 15 )
+#define NDTINTERNAL(klen) (DIV_ROUND_UP((4 + (klen)), 15))
 
 
 /*
@@ -133,7 +133,7 @@ struct dir_table_slot {
         ( ((s64)((dts)->addr1)) << 32 | __le32_to_cpu((dts)->addr2) )
 
 /* compute number of slots for entry */
-#define NDTLEAF_LEGACY(klen)    ( ((2 + (klen)) + (15 - 1)) / 15 )
+#define NDTLEAF_LEGACY(klen)    (DIV_ROUND_UP((2 + (klen)), 15))
 #define NDTLEAF NDTINTERNAL