https://github.com/torvalds/linux
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Tip revision: 4a6908a3a050aacc9c3a2f36b276b46c0629ad91 authored by Linus Torvalds on 24 December 2008, 23:26:37 UTC
Linux 2.6.28
Tip revision: 4a6908a
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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