Cregit: Linux 6.9: lcm.c

Contributors: 9
Author	Tokens	Token Proportion	Commits	Commit Proportion
Martin K. Petersen	50	49.02%	3	20.00%
Mike Snitzer	31	30.39%	1	6.67%
Rasmus Villemoes	6	5.88%	3	20.00%
Kiyoshi Ueda	6	5.88%	3	20.00%
H Hartley Sweeten	3	2.94%	1	6.67%
Jens Axboe	2	1.96%	1	6.67%
Randy Dunlap	2	1.96%	1	6.67%
Thomas Gleixner	1	0.98%	1	6.67%
Paul Gortmaker	1	0.98%	1	6.67%
Total	102		15

// 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);