diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-07-31 09:28:44 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-07-31 09:28:44 +1000 |
| commit | df7a19e03291ca29f5aa42b668dd8c7b1aaf30ff (patch) | |
| tree | 41b7a76ffef9847f75ddbd10d44215302dfbf2df /lib/bitmap.c | |
| parent | ea935a51169207c021837d80ae6572118fa3105f (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>
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 9859f38660f9..d6bb955e71cb 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; |