cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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lcm.c (482B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2#include <linux/compiler.h>
      3#include <linux/gcd.h>
      4#include <linux/export.h>
      5#include <linux/lcm.h>
      6
      7/* Lowest common multiple */
      8unsigned long lcm(unsigned long a, unsigned long b)
      9{
     10	if (a && b)
     11		return (a / gcd(a, b)) * b;
     12	else
     13		return 0;
     14}
     15EXPORT_SYMBOL_GPL(lcm);
     16
     17unsigned long lcm_not_zero(unsigned long a, unsigned long b)
     18{
     19	unsigned long l = lcm(a, b);
     20
     21	if (l)
     22		return l;
     23
     24	return (b ? : a);
     25}
     26EXPORT_SYMBOL_GPL(lcm_not_zero);