diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-07-31 09:28:45 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-07-31 09:28:45 +1000 |
| commit | 015693841939ebbeff502084a87d3d6c44cde2b8 (patch) | |
| tree | 0136d29ec5438291acab12cd8980d130f994b356 /lib/bitmap.c | |
| parent | 799c518ab9aab4ecb555ea11fc89ba9983c7d575 (diff) | |
lib: bitmap: make nbits parameter of bitmap_subset 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 e85daa90b237..c9bff5379795 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -245,9 +245,9 @@ int __bitmap_intersects(const unsigned long *bitmap1, EXPORT_SYMBOL(__bitmap_intersects); int __bitmap_subset(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; |