debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/include/asm-generic/bitops/find.h
..
..
@@ -80,4 +80,21 @@
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 #endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
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+/**
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+ * find_next_clump8 - find next 8-bit clump with set bits in a memory region
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+ * @clump: location to store copy of found clump
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+ * @addr: address to base the search on
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+ * @size: bitmap size in number of bits
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+ * @offset: bit offset at which to start searching
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+ *
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+ * Returns the bit offset for the next set clump; the found clump value is
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+ * copied to the location pointed by @clump. If no bits are set, returns @size.
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+ */
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+extern unsigned long find_next_clump8(unsigned long *clump,
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+				      const unsigned long *addr,
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+				      unsigned long size, unsigned long offset);
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+
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+#define find_first_clump8(clump, bits, size) \
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+	find_next_clump8((clump), (bits), (size), 0)
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+
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 #endif /*_ASM_GENERIC_BITOPS_FIND_H_ */