A cache management operation. In one embodiment, a first recall value for a first unit of data is generated, a second recall value for a second unit of data is generated, and the first and second recall values are compared. The unit of data having the higher recall value is stored in a first section of a storage device. The unit of data having the lower recall value is stored in a second section of a storage device. A greater amount of compression is performed on the unit of data having the lower recall value.