diff options
author | Stephen Hemminger <shemminger@osdl.org> | 2005-12-21 22:30:53 -0500 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2006-01-03 16:11:06 -0500 |
commit | 3821af2fe13700cab6fd67367128fa180e43f8b8 (patch) | |
tree | a70f63c24bd7d2ac8b25e3e4ee0ef6a50847aa67 /include/linux | |
parent | c865e5d99e25a171e8262fc0f7ba608568633c64 (diff) |
[FLS64]: generic version
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-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) | |||
76 | */ | 76 | */ |
77 | #include <asm/bitops.h> | 77 | #include <asm/bitops.h> |
78 | 78 | ||
79 | |||
80 | static inline int generic_fls64(__u64 x) | ||
81 | { | ||
82 | __u32 h = x >> 32; | ||
83 | if (h) | ||
84 | return fls(x) + 32; | ||
85 | return fls(x); | ||
86 | } | ||
87 | |||
79 | static __inline__ int get_bitmask_order(unsigned int count) | 88 | static __inline__ int get_bitmask_order(unsigned int count) |
80 | { | 89 | { |
81 | int order; | 90 | int order; |