https://github.com/torvalds/linux
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Tip revision: 74fca6a42863ffacaf7ba6f1936a9f228950f657 authored by Linus Torvalds on 09 September 2009, 22:13:59 UTC
Linux 2.6.31
Tip revision: 74fca6a
reciprocal_div.c
#include <asm/div64.h>
#include <linux/reciprocal_div.h>

u32 reciprocal_value(u32 k)
{
	u64 val = (1LL << 32) + (k - 1);
	do_div(val, k);
	return (u32)val;
}
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