lib: bitmap: make nbits parameter of bitmap_equal 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>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index bc7e520d3f78..1e0f46c91125 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -91,7 +91,7 @@
 extern int __bitmap_empty(const unsigned long *bitmap, unsigned int nbits);
 extern int __bitmap_full(const unsigned long *bitmap, unsigned int nbits);
 extern int __bitmap_equal(const unsigned long *bitmap1,
-                        const unsigned long *bitmap2, int bits);
+                          const unsigned long *bitmap2, unsigned int nbits);
 extern void __bitmap_complement(unsigned long *dst, const unsigned long *src,
                         int bits);
 extern void __bitmap_shift_right(unsigned long *dst,