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| author | David S. Miller <davem@davemloft.net> | 2010-04-13 00:28:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-13 00:28:45 -0700 |
| commit | 9343af084c7e8911897b0883042ee690cee3aaef (patch) | |
| tree | 6211a4bdc84690bec6530d27a3abb19f5e8bb8f3 /lib/lcm.c | |
| parent | e182c77cc291456eed127b1472952ddb59a81a9d (diff) | |
| parent | 0d0fb0f9c5fddef4a10242fe3337f00f528a3099 (diff) | |
| download | linux-9343af084c7e8911897b0883042ee690cee3aaef.tar.bz2 | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
lib/Kconfig.debug
Diffstat (limited to 'lib/lcm.c')
| -rw-r--r-- | lib/lcm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/lcm.c b/lib/lcm.c new file mode 100644 index 000000000000..157cd88a6ffc --- /dev/null +++ b/lib/lcm.c @@ -0,0 +1,15 @@ +#include <linux/kernel.h> +#include <linux/gcd.h> +#include <linux/module.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); |