65 bit_ror64(uint64_t bitmap, uint n)  in bit_ror64()  argument
67 	return __builtin_rotateright64(bitmap, n);  in bit_ror64()
71 bit_rol64(uint64_t bitmap, uint n)  in bit_rol64()  argument
73 	return __builtin_rotateleft64(bitmap, n);  in bit_rol64()
77 #define bit_clear_if_set(bitmap, bit) \  argument
80 	__auto_type _map = &(bitmap); \
87 #define bit_set_if_clear(bitmap, bit) \  argument
90 	__auto_type _map = &(bitmap); \
103 bit_first(uint64_t bitmap)  in bit_first()  argument
105 	return 63 - __builtin_clzg(bitmap, 64);  in bit_first()
110 __bit_next(uint64_t bitmap, int previous_bit)  in __bit_next()  argument
114 	return bit_first(bitmap & mask);  in __bit_next()
121 bit_next(uint64_t bitmap, int previous_bit)  in bit_next()  argument
126 		return __bit_next(bitmap, previous_bit);  in bit_next()
132 lsb_first(uint64_t bitmap)  in lsb_first()  argument
134 	return __builtin_ctzg(bitmap, -1);  in lsb_first()
142 lsb_next(uint64_t bitmap, int previous_bit)  in lsb_next()  argument
146 	return lsb_first(bitmap & ~mask);  in lsb_next()