1 files changed, 5 insertions, 5 deletions

diff --git a/include/linux/idr.h b/include/linux/idr.h
index 255491cf522e..87259a44c251 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -38,15 +38,15 @@
 #define IDR_SIZE (1 << IDR_BITS)
 #define IDR_MASK ((1 << IDR_BITS)-1)
 
-#define MAX_ID_SHIFT (sizeof(int)*8 - 1)
-#define MAX_ID_BIT (1U << MAX_ID_SHIFT)
-#define MAX_ID_MASK (MAX_ID_BIT - 1)
+#define MAX_IDR_SHIFT (sizeof(int)*8 - 1)
+#define MAX_IDR_BIT (1U << MAX_IDR_SHIFT)
+#define MAX_IDR_MASK (MAX_IDR_BIT - 1)
 
 /* Leave the possibility of an incomplete final layer */
-#define MAX_LEVEL (MAX_ID_SHIFT + IDR_BITS - 1) / IDR_BITS
+#define MAX_IDR_LEVEL ((MAX_IDR_SHIFT + IDR_BITS - 1) / IDR_BITS)
 
 /* Number of id_layer structs to leave in free list */
-#define IDR_FREE_MAX MAX_LEVEL + MAX_LEVEL
+#define MAX_IDR_FREE (MAX_IDR_LEVEL * 2)
 
 struct idr_layer {
         unsigned long            bitmap; /* A zero bit means "space here" */