mirror of https://gitee.com/openkylin/linux.git
x86, cleanup: fix description of __fls(): __fls(0) is undefined
Ricardo M. Correia spotted that the use of __fls() in fls64() did not seem to make sense. In fact fls64()'s implementation is fine, but the description of __fls() was wrong. Fix that. Reported-by: "Ricardo M. Correia" <Ricardo.M.Correia@Sun.COM> Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -356,7 +356,7 @@ static inline unsigned long ffz(unsigned long word)
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* __fls: find last set bit in word
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* @word: The word to search
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*
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* Undefined if no zero exists, so code should check against ~0UL first.
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* Undefined if no set bit exists, so code should check against 0 first.
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*/
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static inline unsigned long __fls(unsigned long word)
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{
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