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lib: bitmap: make nbits parameter of bitmap_complement unsigned

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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>
This commit is contained in:
Rasmus Villemoes 2014-08-06 16:09:55 -07:00 • committed by Linus Torvalds
parent 5e06806931
commit 3d6684f4e6
2 changed files with 5 additions and 5 deletions
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4
lib/bitmap.c
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@ -86,9 +86,9 @@ int __bitmap_equal(const unsigned long *bitmap1,
}
EXPORT_SYMBOL(__bitmap_equal);
void __bitmap_complement(unsigned long *dst, const unsigned long *src, int bits)
void __bitmap_complement(unsigned long *dst, const unsigned long *src, unsigned int bits)
{
int k, lim = bits/BITS_PER_LONG;
unsigned int k, lim = bits/BITS_PER_LONG;
for (k = 0; k < lim; ++k)
dst[k] = ~src[k];