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/*
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/*
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 * Create a contiguous bitmask starting at bit position @l and ending at
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 * Create a contiguous bitmask starting at bit position @l and ending at
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 * position @h. For example
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 * position @h. For example
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 * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000.
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 * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000.
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 */
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 */
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#define GENMASK(h, l) \
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#define GENMASK(h, l)		(((U32_C(1) << ((h) - (l) + 1)) - 1) << (l))
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	(((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
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#define GENMASK_ULL(h, l) \
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#define GENMASK_ULL(h, l)	(((U64_C(1) << ((h) - (l) + 1)) - 1) << (l))
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	(((~0ULL) << (l)) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h))))
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extern unsigned int __sw_hweight8(unsigned int w);
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extern unsigned int __sw_hweight8(unsigned int w);
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extern unsigned int __sw_hweight16(unsigned int w);
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extern unsigned int __sw_hweight16(unsigned int w);
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extern unsigned int __sw_hweight32(unsigned int w);
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extern unsigned int __sw_hweight32(unsigned int w);