diff options
| -rw-r--r-- | include/linux/bitmap.h | 8 | ||||
| -rw-r--r-- | lib/bitmap.c | 30 |
2 files changed, 4 insertions, 34 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) diff --git a/lib/bitmap.c b/lib/bitmap.c index d456f4c15a9f..64c0926f5dd8 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -42,36 +42,6 @@ * for the best explanations of this ordering. */ -int __bitmap_empty(const unsigned long *bitmap, unsigned int bits) -{ - unsigned int k, lim = bits/BITS_PER_LONG; - for (k = 0; k < lim; ++k) - if (bitmap[k]) - return 0; - - if (bits % BITS_PER_LONG) - if (bitmap[k] & BITMAP_LAST_WORD_MASK(bits)) - return 0; - - return 1; -} -EXPORT_SYMBOL(__bitmap_empty); - -int __bitmap_full(const unsigned long *bitmap, unsigned int bits) -{ - unsigned int k, lim = bits/BITS_PER_LONG; - for (k = 0; k < lim; ++k) - if (~bitmap[k]) - return 0; - - if (bits % BITS_PER_LONG) - if (~bitmap[k] & BITMAP_LAST_WORD_MASK(bits)) - return 0; - - return 1; -} -EXPORT_SYMBOL(__bitmap_full); - int __bitmap_equal(const unsigned long *bitmap1, const unsigned long *bitmap2, unsigned int bits) { |