From 13113475f737723ae55c7b38b4439bb62257c03f Mon Sep 17 00:00:00 2001 From: zijun_hu Date: Sat, 10 Sep 2016 20:34:03 +1000 Subject: [PATCH] bitops.h: move out get_count_order[_long]() from __KERNEL__ scope move out get_count_order[_long]() definitions from scope limited by macro __KERNEL__ it not only make both functions available in wider region regardless of whether __KERNEL__ is defined but also keep original region for get_count_order() before the recent commit c513b4cd2fe9 ("mm-vmalloc-fix-align-value-calculation-error-v2-fix-fix") Link: http://lkml.kernel.org/r/57B2C4CE.80303@zoho.com Signed-off-by: zijun_hu Cc: Stephen Rothwell Signed-off-by: Andrew Morton --- include/linux/bitops.h | 52 +++++++++++++++++++++--------------------- 1 file changed, 26 insertions(+), 26 deletions(-) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 6f202c8fe4a6..a83c822c35c2 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -181,6 +181,32 @@ static inline unsigned fls_long(unsigned long l) return fls64(l); } +static inline int get_count_order(unsigned int count) +{ + int order; + + order = fls(count) - 1; + if (count & (count - 1)) + order++; + return order; +} + +/** + * get_count_order_long - get order after rounding @l up to power of 2 + * @l: parameter + * + * it is same as get_count_order() but with long type parameter + */ +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; +} + /** * __ffs64 - find first set bit in a 64 bit word * @word: The 64 bit word @@ -233,32 +259,6 @@ static inline unsigned long __ffs64(u64 word) }) #endif -static inline int get_count_order(unsigned int count) -{ - int order; - - order = fls(count) - 1; - if (count & (count - 1)) - order++; - return order; -} - -/** - * get_count_order_long - get order after rounding @l up to power of 2 - * @l: parameter - * - * it is same as get_count_order() but with long type parameter - */ -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; -} - #ifndef find_last_bit /** * find_last_bit - find the last set bit in a memory region -- 2.34.1