lib/reciprocal_div.c

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