100 	unsigned long idx;  in find_first_bit()  local
102 	for (idx = 0; idx * BITS_PER_LONG < size; idx++) {  in find_first_bit()
103 		if (addr[idx])  in find_first_bit()
104 			return min(idx * BITS_PER_LONG + __ffs(addr[idx]), size);  in find_first_bit()
118 	unsigned long idx;  in find_first_zero_bit()  local
120 	for (idx = 0; idx * BITS_PER_LONG < size; idx++) {  in find_first_zero_bit()
121 		if (addr[idx] != ~0UL)  in find_first_zero_bit()
122 			return min(idx * BITS_PER_LONG + ffz(addr[idx]), size);  in find_first_zero_bit()
135 		unsigned long idx = (size-1) / BITS_PER_LONG;  in find_last_bit()  local
138 			val &= addr[idx];  in find_last_bit()
140 				return idx * BITS_PER_LONG + __fls(val);  in find_last_bit()
143 		} while (idx--);  in find_last_bit()