There are div64_long() to handle the s64/long division. But no micro do u64/ul division in kernel. It is necessary on some scenarios. So add this function.
Signed-off-by: Alex Shi <[email protected]> --- include/linux/math64.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/include/linux/math64.h b/include/linux/math64.h index b8ba855..f0afe9c 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -7,6 +7,7 @@ #if BITS_PER_LONG == 64 #define div64_long(x,y) div64_s64((x),(y)) +#define div64_ul(x,y) div64_u64((x),(y)) /** * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder @@ -48,6 +49,7 @@ static inline s64 div64_s64(s64 dividend, s64 divisor) #elif BITS_PER_LONG == 32 #define div64_long(x,y) div_s64((x),(y)) +#define div64_ul(x,y) div_u64((x),(y)) #ifndef div_u64_rem static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
