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| author | Liam Beguin <liambeguin@gmail.com> | 2022-11-18 21:23:08 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2022-11-22 00:30:54 +0300 |
| commit | 090f13cac84d618d8d391e72646bea462aae9486 (patch) | |
| tree | ec7d09bed9ac9168880d412d1a8784cc470b3436 /include/linux/math64.h | |
| parent | d28a1de5d1128d6caef15fdc04d3f6484dc7264b (diff) | |
| download | linux-090f13cac84d618d8d391e72646bea462aae9486.tar.xz | |
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: Liam Beguin <liambeguin@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20221118182309.3824530-2-liambeguin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'include/linux/math64.h')
| -rw-r--r-- | include/linux/math64.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/math64.h b/include/linux/math64.h index 1538844fcb51..cf3b0099674a 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -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); }) |