Commit 090f13ca authored by Liam Beguin's avatar Liam Beguin Committed by Jonathan Corbet
Browse files

math64: add kernel-doc for DIV64_U64_ROUND_UP 



Add kernel-doc for DIV64_U64_ROUND_UP so that it appears in the
documentation.

Signed-off-by: default avatarLiam Beguin <liambeguin@gmail.com>
Acked-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Tested-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20221118182309.3824530-2-liambeguin@gmail.com


Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent d28a1de5

include/linux/math64.h

+10 −0
Original line number Diff line number Diff line
@@ -284,6 +284,16 @@ static inline u64 mul_u64_u32_div(u64 a, u32 mul, u32 divisor) 


u64 mul_u64_u64_div_u64(u64 a, u64 mul, u64 div);



/**

 * DIV64_U64_ROUND_UP - unsigned 64bit divide with 64bit divisor rounded up

 * @ll: unsigned 64bit dividend

 * @d: unsigned 64bit divisor

 *

 * Divide unsigned 64bit dividend by unsigned 64bit divisor

 * and round up.

 *

 * Return: dividend / divisor rounded up

 */

#define DIV64_U64_ROUND_UP(ll, d)	\

	({ u64 _tmp = (d); div64_u64((ll) + _tmp - 1, _tmp); })