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Be sure to use internal __ffs, not glibc variant
author
Jens Axboe
<jens.axboe@oracle.com>
Mon, 2 Jun 2008 07:57:41 +0000
(09:57 +0200)
committer
Jens Axboe
<jens.axboe@oracle.com>
Mon, 2 Jun 2008 07:57:41 +0000
(09:57 +0200)
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
lib/ffz.h
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diff --git
a/lib/ffz.h
b/lib/ffz.h
index 4324f5a3c67b378b93bda2201c937164f5d43477..e17a2e9c0a1e7cd60f3e99b8989ecc61bebed806 100644
(file)
--- a/
lib/ffz.h
+++ b/
lib/ffz.h
@@
-3,7
+3,7
@@
static inline int __ffs(int word)
{
- int r =
1
;
+ int r =
0
;
if (!(word & 0xffff)) {
word >>= 16;
@@
-31,7
+31,7
@@
static inline int __ffs(int word)
static inline int ffz(unsigned int bitmask)
{
- return
ffs(~bitmask) - 1
;
+ return
__ffs(~bitmask)
;
}
#endif