#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/module.h>
#include <linux/lcm.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);-
由 H Hartley Sweeten 提交于
The symbol 'lcm' is exported to the kernel (EXPORT_SYMBOL_GPL). Pick up it's definition in <linux/lcm.h> to quiet the sparse noise: warning: symbol 'lcm' was not declared. Should it be static? Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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