lib: bitmap: make nbits parameter of bitmap_complement 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]>
diff --git a/lib/bitmap.c b/lib/bitmap.c
index d6bb955..0f2f845 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -86,9 +86,9 @@
}
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];
