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authorJiri Kosina <jkosina@suse.cz>2010-04-23 02:08:44 +0200
committerJiri Kosina <jkosina@suse.cz>2010-04-23 02:08:44 +0200
commit6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1 (patch)
tree797676a336b050bfa1ef879377c07e541b9075d6 /lib/lcm.c
parent4cb3ca7cd7e2cae8d1daf5345ec99a1e8502cf3f (diff)
parentc81eddb0e3728661d1585fbc564449c94165cc36 (diff)
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Merge branch 'master' into for-next
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);