1 #include <asm/div64.h> 2 #include <linux/reciprocal_div.h> 3 reciprocal_value(u32 k)4 u32 reciprocal_value(u32 k) 5 { 6 u64 val = (1LL << 32) + (k - 1); 7 do_div(val, k); 8 return (u32)val; 9 } 10