Messages in this thread Patch in this message | | | From | Wei Yang <> | Subject | [RESEND Patch 1/2] bitops: simplify get_count_order_long() | Date | Fri, 7 Aug 2020 16:58:36 +0800 |
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These two cases could be unified into one.
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com> --- include/linux/bitops.h | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 99f2ac30b1d9..030a98f0c452 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -206,10 +206,7 @@ static inline int get_count_order_long(unsigned long l) { if (l == 0UL) return -1; - else if (l & (l - 1UL)) - return (int)fls_long(l); - else - return (int)fls_long(l) - 1; + return (int)fls_long(--l); } /** -- 2.20.1 (Apple Git-117)
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