--- include/linux/math64.h

+++ include/linux/math64.h

@@ -49,8 +49,6 @@ static inline s64 div64_s64(s64 dividend

#define div64_long(x,y) div_s64((x),(y))

-#define div64_long(x,y) div_s64((x),(y))

-

#ifndef div_u64_rem

static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)

{