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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2014-08-06 16:09:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 18:01:25 -0700
commit8397927c8045c58afc68ef839855eb5505259df3 (patch)
tree23cc552420716dcd15952cbfb0901bf7bcfd87bc /include/linux/bitmap.h
parent0679cc483669d08153d158273455398a389ee9ca (diff)
downloadop-kernel-dev-8397927c8045c58afc68ef839855eb5505259df3.zip
op-kernel-dev-8397927c8045c58afc68ef839855eb5505259df3.tar.gz
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 <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/bitmap.h')
-rw-r--r--include/linux/bitmap.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 3d3fd6b..bc7e520 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -89,7 +89,7 @@
*/
extern int __bitmap_empty(const unsigned long *bitmap, unsigned int nbits);
-extern int __bitmap_full(const unsigned long *bitmap, int bits);
+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);
extern void __bitmap_complement(unsigned long *dst, const unsigned long *src,
@@ -265,7 +265,7 @@ static inline int bitmap_empty(const unsigned long *src, unsigned nbits)
return __bitmap_empty(src, nbits);
}
-static inline int bitmap_full(const unsigned long *src, int nbits)
+static inline int bitmap_full(const unsigned long *src, unsigned int nbits)
{
if (small_const_nbits(nbits))
return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));
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