| Martin K. Petersen | 2cda272 | 2010-03-15 12:46:51 +0100 | [diff] [blame] | 1 | #include <linux/kernel.h> |
| 2 | #include <linux/gcd.h> | ||||
| 3 | #include <linux/module.h> | ||||
| H Hartley Sweeten | 72d3950 | 2011-07-25 17:13:20 -0700 | [diff] [blame] | 4 | #include <linux/lcm.h> |
| Martin K. Petersen | 2cda272 | 2010-03-15 12:46:51 +0100 | [diff] [blame] | 5 | |
| 6 | /* Lowest common multiple */ | ||||
| 7 | unsigned long lcm(unsigned long a, unsigned long b) | ||||
| 8 | { | ||||
| 9 | if (a && b) | ||||
| 10 | return (a * b) / gcd(a, b); | ||||
| 11 | else if (b) | ||||
| 12 | return b; | ||||
| 13 | |||||
| 14 | return a; | ||||
| 15 | } | ||||
| 16 | EXPORT_SYMBOL_GPL(lcm); | ||||