diff options
| author |   Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-08-06 16:09:51 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-06 18:01:25 -0700 |
| commit | 8397927c8045c58afc68ef839855eb5505259df3 (patch) | |
| tree | 23cc552420716dcd15952cbfb0901bf7bcfd87bc /include/linux/bitmap.h | |
| parent | lib: bitmap: make nbits parameter of bitmap_empty unsigned (diff) | |
| download | linux-dev-8397927c8045c58afc68ef839855eb5505259df3.tar.xz linux-dev-8397927c8045c58afc68ef839855eb5505259df3.zip | |
lib: bitmap: make nbits parameter of bitmap_full unsigned
The compiler can generate slightly smaller and simpler code when it
knows that "nbits" is non-negative. Since no-one passes a negative
bit-count, this shouldn't affect the semantics.
Signed-off-by: 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 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 3d3fd6b2f157..bc7e520d3f78 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -89,7 +89,7 @@ */ extern int __bitmap_empty(const unsigned long *bitmap, unsigned int nbits); -extern int __bitmap_full(const unsigned long *bitmap, int bits); +extern int __bitmap_full(const unsigned long *bitmap, unsigned int nbits); extern int __bitmap_equal(const unsigned long *bitmap1, const unsigned long *bitmap2, int bits); extern void __bitmap_complement(unsigned long *dst, const unsigned long *src, @@ -265,7 +265,7 @@ static inline int bitmap_empty(const unsigned long *src, unsigned nbits) return __bitmap_empty(src, nbits); } -static inline int bitmap_full(const unsigned long *src, int 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)); |