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| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-08-06 16:09:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-06 18:01:26 -0700 |
| commit | 3d6684f4e6a46f3a8263f5681e093bccbb767a1c (patch) | |
| tree | 98c966485624e303a734e3a9c58ae97aea25d2bf /lib/bitmap.c | |
| parent | 5e068069319a9fb02fb14337c2cedeae5f16d812 (diff) | |
| download | lwn-3d6684f4e6a46f3a8263f5681e093bccbb767a1c.tar.gz lwn-3d6684f4e6a46f3a8263f5681e093bccbb767a1c.zip | |
lib: bitmap: make nbits parameter of bitmap_complement 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/bitmap.c')
| -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 d6bb955e71cb..0f2f845702eb 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -86,9 +86,9 @@ int __bitmap_equal(const unsigned long *bitmap1, } EXPORT_SYMBOL(__bitmap_equal); -void __bitmap_complement(unsigned long *dst, const unsigned long *src, int bits) +void __bitmap_complement(unsigned long *dst, const unsigned long *src, unsigned int bits) { - int k, lim = bits/BITS_PER_LONG; + unsigned int k, lim = bits/BITS_PER_LONG; for (k = 0; k < lim; ++k) dst[k] = ~src[k]; |