diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-07-17 10:58:16 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-07-17 10:58:16 +1000 |
| commit | f82f9dbaf8bb319bbf89e89482c6dfe9171c3e7d (patch) | |
| tree | bade025387d71d9e46d0fa79ea24f632c51aa3fd /lib | |
| parent | 6e8fe3131009d506dafc8f9b9da699c704eb9672 (diff) | |
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>
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 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]; |