linux-kernel - [PATCH] lib/ida: remove abandoned macros

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Message-Id: <1579595645-251250-1-git-send-email-alex.shi@linux.alibaba.com>
Date:   Tue, 21 Jan 2020 16:34:05 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Matthew Wilcox <willy@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Richard Fontana <rfontana@...hat.com>,
        Armijn Hemel <armijn@...ldur.nl>, linux-kernel@...r.kernel.org
Subject: [PATCH] lib/ida: remove abandoned macros

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@...ux.alibaba.com>
Cc: Matthew Wilcox <willy@...radead.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> 
Cc: Thomas Gleixner <tglx@...utronix.de> 
Cc: Richard Fontana <rfontana@...hat.com> 
Cc: Armijn Hemel <armijn@...ldur.nl> 
Cc: linux-kernel@...r.kernel.org 
---
 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