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| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-08-06 16:09:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-06 18:01:25 -0700 |
| commit | 8397927c8045c58afc68ef839855eb5505259df3 (patch) | |
| tree | 23cc552420716dcd15952cbfb0901bf7bcfd87bc /lib/bitmap.c | |
| parent | 0679cc483669d08153d158273455398a389ee9ca (diff) | |
| download | linux-rpi3-8397927c8045c58afc68ef839855eb5505259df3.tar.gz linux-rpi3-8397927c8045c58afc68ef839855eb5505259df3.tar.bz2 linux-rpi3-8397927c8045c58afc68ef839855eb5505259df3.zip | |
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>
Signed-off-by: Linus Torvalds <torvalds@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; |