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authorIngo Molnar <mingo@elte.hu>2010-04-15 03:35:24 -0400
committerIngo Molnar <mingo@elte.hu>2010-04-15 03:36:16 -0400
commitb257c14ceb1194a6181144210056d38f22127189 (patch)
treec803925f1d5bf2237e7495d306bf43929df0c952 /lib/lcm.c
parent371fd7e7a56a5c136d31aa980011bd2f131c3ef5 (diff)
parent2ba3abd8186f24c7fb418927025b4e2120e3a362 (diff)
Merge branch 'linus' into sched/core
Merge reason: merge the latest fixes, update to -rc4. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/lcm.c')
-rw-r--r--lib/lcm.c15
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 @@
1#include <linux/kernel.h>
2#include <linux/gcd.h>
3#include <linux/module.h>
4
5/* Lowest common multiple */
6unsigned long lcm(unsigned long a, unsigned long b)
7{
8 if (a && b)
9 return (a * b) / gcd(a, b);
10 else if (b)
11 return b;
12
13 return a;
14}
15EXPORT_SYMBOL_GPL(lcm);