Content - 75510e94f7d0b2fcd5736a4e0aeb9ff282da11d1 - f25647b/lib/reciprocal_div.c

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05 April 2024, 19:05:47 UTC

Tip revision: a49f0d1ea3ec94fc7cf33a7c36a16343b74bd565 authored by Linus Torvalds on 22 December 2012, 01:19:00 UTC
Linux 3.8-rc1

Tip revision: a49f0d1

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);