84 	unsigned long idx;  in find_first_bit()  local
86 	for (idx = 0; idx * BITS_PER_LONG < size; idx++) {  in find_first_bit()
87 		if (addr[idx])  in find_first_bit()
88 			return min(idx * BITS_PER_LONG + __ffs(addr[idx]), size);  in find_first_bit()
102 	unsigned long idx;  in find_first_zero_bit()  local
104 	for (idx = 0; idx * BITS_PER_LONG < size; idx++) {  in find_first_zero_bit()
105 		if (addr[idx] != ~0UL)  in find_first_zero_bit()
106 			return min(idx * BITS_PER_LONG + ffz(addr[idx]), size);  in find_first_zero_bit()
119 		unsigned long idx = (size-1) / BITS_PER_LONG;  in find_last_bit()  local
122 			val &= addr[idx];  in find_last_bit()
124 				return idx * BITS_PER_LONG + __fls(val);  in find_last_bit()
127 		} while (idx--);  in find_last_bit()