[PATCH] idr: Rename MAX_LEVEL to MAX_ID_LEVEL

Fengguang Wu
2012-09-10T13:14:26Z

To avoid name conflicts:

drivers/video/riva/fbdev.c:281:9: sparse: preprocessor token MAX_LEVEL redefined

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---

Andrew: the conflict happens in Glauber's kmemcg-slab tree. So it's
better to quickly push this pre-fix to upstream before Glauber's patches.

include/linux/idr.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- linux.orig/include/linux/idr.h 2012-09-10 21:08:51.177452944 +0800
+++ linux/include/linux/idr.h 2012-09-10 21:08:57.729452732 +0800
@@ -43,10 +43,10 @@
#define MAX_ID_MASK (MAX_ID_BIT - 1)

/* Leave the possibility of an incomplete final layer */
-#define MAX_LEVEL (MAX_ID_SHIFT + IDR_BITS - 1) / IDR_BITS
+#define MAX_ID_LEVEL (MAX_ID_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 IDR_FREE_MAX MAX_ID_LEVEL + MAX_ID_LEVEL

struct idr_layer {
unsigned long bitmap; /* A zero bit means "space here" */