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| author | Rasmus Villemoes <[email protected]> | 2014-08-06 23:10:03 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-08-07 01:01:26 +0000 |
| commit | 5be20213e855550de2b32fde6fc116f74bab86a6 (patch) | |
| tree | 91daf951163c9376d46c3b686d0a47f936c702ef /lib/bitmap.c | |
| parent | lib: bitmap: make nbits parameter of bitmap_intersects unsigned (diff) | |
| download | kernel-5be20213e855550de2b32fde6fc116f74bab86a6.tar.gz kernel-5be20213e855550de2b32fde6fc116f74bab86a6.zip | |
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 <[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 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; |