Commit 004fba1a authored by Wei Yang's avatar Wei Yang Committed by Linus Torvalds
Browse files

bitops: use the same mechanism for get_count_order[_long] 



These two functions share the same logic.

Signed-off-by: default avatarWei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lkml.kernel.org/r/20200807085837.11697-3-richard.weiyang@linux.alibaba.com


Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a9eb6370

include/linux/bitops.h

+3 −5
Original line number Diff line number Diff line
@@ -188,12 +188,10 @@ static inline unsigned fls_long(unsigned long l) 


static inline int get_count_order(unsigned int count)

{

	int order;

	if (count == 0)

		return -1;



	order = fls(count) - 1;

	if (count & (count - 1))

		order++;

	return order;

	return fls(--count);

}



/**