linux-kernel - [PATCH] lib: delete lib/find_last

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Message-Id: <1429560769-25579-1-git-send-email-yury.norov@gmail.com>
Date:	Mon, 20 Apr 2015 23:12:49 +0300
From:	Yury Norov <yury.norov@...il.com>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Yury Norov <yury.norov@...il.com>
Subject: [PATCH] lib: delete lib/find_last_bit.c

File find_next_bit.c was deleted in patch
"lib: move find_last_bit to lib/find_next_bit.c" from Feb, 22,
but not in master (commit 8f6f19dd51). This is just a fix for
wrong merge.

Signed-off-by: Yury Norov <yury.norov@...il.com>
---
 lib/find_last_bit.c | 41 -----------------------------------------
 1 file changed, 41 deletions(-)
 delete mode 100644 lib/find_last_bit.c

diff --git a/lib/find_last_bit.c b/lib/find_last_bit.c
deleted file mode 100644
index 3e3be40..0000000
--- a/lib/find_last_bit.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/* find_last_bit.c: fallback find next bit implementation
- *
- * Copyright (C) 2008 IBM Corporation
- * Written by Rusty Russell <rusty@...tcorp.com.au>
- * (Inspired by David Howell's find_next_bit implementation)
- *
- * Rewritten by Yury Norov <yury.norov@...il.com> to decrease
- * size and improve performance, 2015.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/bitops.h>
-#include <linux/bitmap.h>
-#include <linux/export.h>
-#include <linux/kernel.h>
-
-#ifndef find_last_bit
-
-unsigned long find_last_bit(const unsigned long *addr, unsigned long size)
-{
-	if (size) {
-		unsigned long val = BITMAP_LAST_WORD_MASK(size);
-		unsigned long idx = (size-1) / BITS_PER_LONG;
-
-		do {
-			val &= addr[idx];
-			if (val)
-				return idx * BITS_PER_LONG + __fls(val);
-
-			val = ~0ul;
-		} while (idx--);
-	}
-	return size;
-}
-EXPORT_SYMBOL(find_last_bit);
-
-#endif
-- 
2.1.0

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