https://github.com/torvalds/linux
Raw File
Tip revision: d683b96b072dc4680fc74964eca77e6a23d1fa6e authored by Linus Torvalds on 02 June 2013, 08:11:17 UTC
Linux 3.10-rc4
Tip revision: d683b96
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);
back to top