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authorYury Norov <yury.norov@gmail.com>2015-05-05 16:23:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-05-05 17:10:10 -0700
commit7d616e4ddb9c0754ed6245a43332d5b867e4db11 (patch)
treedbe0b62c11812b161f9f0a5398bf0111394b712b /lib
parent48b945a19cf6e7e548b2ce545ec88f93284ab276 (diff)
lib: delete lib/find_last_bit.c
The file lib/find_last_bit.c was no longer used and supposed to be deleted by commit 8f6f19dd51 ("lib: move find_last_bit to lib/find_next_bit.c") but that delete didn't happen. This gets rid of it. Signed-off-by: Yury Norov <yury.norov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/find_last_bit.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/lib/find_last_bit.c b/lib/find_last_bit.c
deleted file mode 100644
index 3e3be40c6a6e..000000000000
--- 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@rustcorp.com.au>
- * (Inspired by David Howell's find_next_bit implementation)
- *
- * Rewritten by Yury Norov <yury.norov@gmail.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

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