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... PATCH] x86: optimize find_first_bit for small bitmaps Avoid a call to ... addr, static __always_inline unsigned long find_first_bit(const unsigned long *addr, unsigned ... no set bits in the bitmap */ + if (__builtin_constant_p(size) && (size < BITS_PER_LONG ...
linux-kernel - Alexander van Heukelum - Apr 1 2008 - 11:42