diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-08-06 16:09:53 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-11 10:59:28 +0200 |
| commit | 988335161b26515f5c92fa0bea259507978e42b3 (patch) | |
| tree | 496ea77d6fc1d939ed5102f8539e3139365e8daa /lib | |
| parent | 038019599dbe892a38bbe946a5a337a31c0b17d8 (diff) | |
lib: bitmap: make nbits parameter of bitmap_equal 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 dd752a74e..6e2f8db74 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -71,9 +71,9 @@ int __bitmap_full(const unsigned long *bitmap, unsigned int bits) EXPORT_SYMBOL(__bitmap_full); int __bitmap_equal(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 0; |