lib/reciprocal_div.c

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