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authorJeff Garzik <jgarzik@pobox.com>2006-01-17 18:29:06 +0300
committerJeff Garzik <jgarzik@pobox.com>2006-01-17 18:29:06 +0300
commitea9b395fe20ac74be788f415af2622ac8f0c35c7 (patch)
treed1653e1a4cbe360aa7132ea4e29ab92a02038224 /include/linux/bitops.h
parent61420e147a706ee7c7a902008045547fb2a2a330 (diff)
parent1bc4ccfff8675adc3d96f91245eb7e2dc0043ca9 (diff)
downloadlinux-ea9b395fe20ac74be788f415af2622ac8f0c35c7.tar.xz
Merge branch 'upstream'
Diffstat (limited to 'include/linux/bitops.h')
-rw-r--r--include/linux/bitops.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 38c2fb7ebe09..6a2a19f14bb2 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -76,6 +76,15 @@ static __inline__ int generic_fls(int x)
*/
#include <asm/bitops.h>
+
+static inline int generic_fls64(__u64 x)
+{
+ __u32 h = x >> 32;
+ if (h)
+ return fls(x) + 32;
+ return fls(x);
+}
+
static __inline__ int get_bitmask_order(unsigned int count)
{
int order;