Cregit: Linux 5.13: lcm.c

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Martin K. Petersen	46	45.10%	1	12.50%
Mike Snitzer	45	44.12%	1	12.50%
Rasmus Villemoes	6	5.88%	3	37.50%
H Hartley Sweeten	3	2.94%	1	12.50%
Thomas Gleixner	1	0.98%	1	12.50%
Paul Gortmaker	1	0.98%	1	12.50%
Total	102		8

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/compiler.h>
#include <linux/gcd.h>
#include <linux/export.h>
#include <linux/lcm.h>

/* Lowest common multiple */
unsigned long lcm(unsigned long a, unsigned long b)
{
	if (a && b)
		return (a / gcd(a, b)) * b;
	else
		return 0;
}
EXPORT_SYMBOL_GPL(lcm);

unsigned long lcm_not_zero(unsigned long a, unsigned long b)
{
	unsigned long l = lcm(a, b);

	if (l)
		return l;

	return (b ? : a);
}
EXPORT_SYMBOL_GPL(lcm_not_zero);