diff options
Diffstat (limited to 'include/linux/bitops.h')
| -rw-r--r-- | include/linux/bitops.h | 9 |
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; |