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457c899653
Add SPDX license identifiers to all files which: - Have no license information of any form - Have EXPORT_.*_SYMBOL_GPL inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
27 lines
482 B
C
27 lines
482 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/compiler.h>
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#include <linux/gcd.h>
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#include <linux/export.h>
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#include <linux/lcm.h>
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/* Lowest common multiple */
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unsigned long lcm(unsigned long a, unsigned long b)
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{
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if (a && b)
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return (a / gcd(a, b)) * b;
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else
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return 0;
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}
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EXPORT_SYMBOL_GPL(lcm);
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unsigned long lcm_not_zero(unsigned long a, unsigned long b)
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{
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unsigned long l = lcm(a, b);
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if (l)
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return l;
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return (b ? : a);
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}
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EXPORT_SYMBOL_GPL(lcm_not_zero);
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