diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-08-07 01:10:01 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-07 03:01:26 +0200 |
| commit | 6dfe9799c2a03d225316a3e959b0447f3f50303e (patch) | |
| tree | d6783674de2f71bba8664e9e582f5d598bc45647 /lib | |
| parent | lib: bitmap: make nbits parameter of bitmap_{and,or,xor,andnot} unsigned (diff) | |
| download | linux-6dfe9799c2a03d225316a3e959b0447f3f50303e.tar.xz linux-6dfe9799c2a03d225316a3e959b0447f3f50303e.zip | |
lib: bitmap: make nbits parameter of bitmap_intersects 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 'lib')
| -rw-r--r-- | lib/bitmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index 03207373cc5a..e85daa90b237 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -230,9 +230,9 @@ int __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1, EXPORT_SYMBOL(__bitmap_andnot); int __bitmap_intersects(const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits) + const unsigned long *bitmap2, unsigned int bits) { - int k, lim = bits/BITS_PER_LONG; + unsigned int k, lim = bits/BITS_PER_LONG; for (k = 0; k < lim; ++k) if (bitmap1[k] & bitmap2[k]) return 1; |