#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);