Content - 75510e94f7d0b2fcd5736a4e0aeb9ff282da11d1 - 3b282ac/lib/reciprocal_div.c

Staging
v0.5.1

visit type:

https://github.com/torvalds/linux

02 December 2023, 22:23:51 UTC

Tip revision: 6f0c0580b70c89094b3422ba81118c7b959c7556 authored by Linus Torvalds on 20 October 2012, 19:11:32 UTC
Linux 3.7-rc2

Tip revision: 6f0c058

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);