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@@ -195,6 +195,17 @@ int fls(int x)
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return (x != 0) ? __ilog2_u32(x) + 1 : 0;
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}
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+/**
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+ * __fls - find last (most-significant) set bit in a long word
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+ * @word: the word to search
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+ *
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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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+ return __ilog2_u32(word);
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+}
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+
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/**
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* ffs - find first bit set
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* @x: the word to search
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