[PATCH] lib/ida: remove abandoned macros

[Alex Shi]

3 IDA_ started macros aren't used from commit f32f004cddf8 ("ida: Convert
to XArray"). so better to remove them.

Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> 
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> 
Cc: Richard Fontana <rfontana@xxxxxxxxxx> 
Cc: Armijn Hemel <armijn@xxxxxxxxxx> 
Cc: linux-kernel@xxxxxxxxxxxxxxx 
---
 lib/radix-tree.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index c8fa1d274530..2ee6ae3b0ade 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -56,14 +56,6 @@
 #define IDR_PRELOAD_SIZE	(IDR_MAX_PATH * 2 - 1)
 
 /*
- * The IDA is even shorter since it uses a bitmap at the last level.
- */
-#define IDA_INDEX_BITS		(8 * sizeof(int) - 1 - ilog2(IDA_BITMAP_BITS))
-#define IDA_MAX_PATH		(DIV_ROUND_UP(IDA_INDEX_BITS, \
-						RADIX_TREE_MAP_SHIFT))
-#define IDA_PRELOAD_SIZE	(IDA_MAX_PATH * 2 - 1)
-
-/*
  * Per-cpu pool of preloaded nodes
  */
 struct radix_tree_preload {
-- 
1.8.3.1