Content - 75510e94f7d0b2fcd5736a4e0aeb9ff282da11d1 - a5be141/lib/reciprocal_div.c

Staging
v0.5.1

visit type:

https://github.com/torvalds/linux

02 December 2023, 22:23:51 UTC

Tip revision: d4e4ab86bcba5a72779c43dc1459f71fea3d89c8 authored by Linus Torvalds on 12 August 2013, 01:04:20 UTC
Linux 3.11-rc5

Tip revision: d4e4ab8

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);