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| author |   Yury Norov <yury.norov@gmail.com> | 2015-04-16 12:44:00 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-17 09:03:56 -0400 |
| commit | 2afe27c718b669b551895595873611ac39cc31e3 (patch) | |
| tree | 69c4b547b6dc2332514757c7a93e2fce1c6692ff /include/linux/bitmap.h | |
| parent | ASoC: pcm512x: use DIV_ROUND_CLOSEST_ULL() from kernel.h (diff) | |
| download | linux-dev-2afe27c718b669b551895595873611ac39cc31e3.tar.xz linux-dev-2afe27c718b669b551895595873611ac39cc31e3.zip | |
lib/bitmap.c: bitmap_[empty,full]: remove code duplication
bitmap_empty() has its own implementation. But it's clearly as simple as:
find_first_bit(src, nbits) == nbits
The same is true for 'bitmap_full'.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Cc: George Spelvin <linux@horizon.com>
Cc: Alexey Klimov <klimov.linux@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/bitmap.h')
| -rw-r--r-- | include/linux/bitmap.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index be4fa5ddf36c..ea17cca9e685 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -283,16 +283,16 @@ static inline int bitmap_empty(const unsigned long *src, unsigned nbits) { if (small_const_nbits(nbits)) return ! (*src & BITMAP_LAST_WORD_MASK(nbits)); - else - return __bitmap_empty(src, nbits); + + return find_first_bit(src, nbits) == nbits; } static inline int bitmap_full(const unsigned long *src, unsigned int nbits) { if (small_const_nbits(nbits)) return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits)); - else - return __bitmap_full(src, nbits); + + return find_first_zero_bit(src, nbits) == nbits; } static inline int bitmap_weight(const unsigned long *src, unsigned int nbits) |