lib/gcd: add kernel-doc notation
Add kernel-doc notation for the gcd() function (so that it can be added to the kernel-api documentation). Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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@ -13,6 +13,12 @@
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#if !defined(CONFIG_CPU_NO_EFFICIENT_FFS) && !defined(CPU_NO_EFFICIENT_FFS)
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#if !defined(CONFIG_CPU_NO_EFFICIENT_FFS) && !defined(CPU_NO_EFFICIENT_FFS)
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/* If __ffs is available, the even/odd algorithm benchmarks slower. */
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/* If __ffs is available, the even/odd algorithm benchmarks slower. */
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/**
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* gcd - calculate and return the greatest common divisor of 2 unsigned longs
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* @a: first value
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* @b: second value
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*/
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unsigned long gcd(unsigned long a, unsigned long b)
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unsigned long gcd(unsigned long a, unsigned long b)
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{
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{
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unsigned long r = a | b;
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unsigned long r = a | b;
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