summaryrefslogtreecommitdiff
path: root/lib/lcm.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2010-04-23 11:10:28 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-23 11:10:30 +0200
commit70bce3ba77540ebe77b8c0e1ac38d281a23fbb5e (patch)
tree34b09a49228f0949ff49dce66a433b0dfd83a2dc /lib/lcm.c
parent6eca8cc35b50af1037bc919106dd6dd332c959c2 (diff)
parentd5a30458a90597915977f06e79406b664a41b8ac (diff)
Merge branch 'linus' into perf/core
Merge reason: merge the latest fixes, update to latest -rc. 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 @@
+#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);