https://github.com/torvalds/linux
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Tip revision: 6b16351acbd415e66ba16bf7d473ece1574cf0bc authored by Linus Torvalds on 24 June 2012, 19:53:04 UTC
Linux 3.5-rc4
Tip revision: 6b16351
reciprocal_div.c
#include <asm/div64.h>
#include <linux/reciprocal_div.h>
#include <linux/export.h>

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