diff options
| author | Rasmus Villemoes <[email protected]> | 2014-08-06 23:09:51 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-08-07 01:01:25 +0000 |
| commit | 8397927c8045c58afc68ef839855eb5505259df3 (patch) | |
| tree | 23cc552420716dcd15952cbfb0901bf7bcfd87bc /lib/bitmap.c | |
| parent | lib: bitmap: make nbits parameter of bitmap_empty unsigned (diff) | |
| download | kernel-8397927c8045c58afc68ef839855eb5505259df3.tar.gz kernel-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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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; |