| Date | Wed, 01 Feb 2006 18:02:34 +0900 | From | Akinobu Mita <> | Subject | [patch 10/44] generic fls64() |
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This patch introduces the C-language equivalent of the function: int fls64(__u64 x);
In include/asm-generic/bitops/fls64.h
This code largely copied from: include/linux/bitops.h
Signed-off-by: Akinobu Mita <mita@miraclelinux.com> include/asm-generic/bitops/fls64.h | 12 ++++++++++++ 1 files changed, 12 insertions(+)
Index: 2.6-git/include/asm-generic/bitops/fls64.h =================================================================== --- /dev/null +++ 2.6-git/include/asm-generic/bitops/fls64.h @@ -0,0 +1,12 @@ +#ifndef _ASM_GENERIC_BITOPS_FLS64_H_ +#define _ASM_GENERIC_BITOPS_FLS64_H_ + +static inline int fls64(__u64 x) +{ + __u32 h = x >> 32; + if (h) + return fls(x) + 32; + return fls(x); +} + +#endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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