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