lcm.c

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#include <linux/kernel.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 * b) / gcd(a, b);
    else if (b)
        return b;

    return a;
}
EXPORT_SYMBOL_GPL(lcm);