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 | ea935a51169207c021837d80ae6572118fa3105f (patch) | |
| tree | ba1a3fa4b79d0cc7f25cd4609e1d47f842c17585 /lib/bitmap.c | |
| parent | 2baf5ec86029b01519ba092c3e2d1e245aedf60c (diff) | |
lib: bitmap: make nbits parameter of bitmap_full 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 378911001442..9859f38660f9 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -55,9 +55,9 @@ int __bitmap_empty(const unsigned long *bitmap, unsigned int bits) } EXPORT_SYMBOL(__bitmap_empty); -int __bitmap_full(const unsigned long *bitmap, int bits) +int __bitmap_full(const unsigned long *bitmap, 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 (~bitmap[k]) return 0; |