Memory management Memory(RAM)is an important and rare resource a Programs expand to fill the memory available to them Programmer's view a Memory should be private, infinitely large, infinitely fast, nonvolatile Reality a Best of people's mind: memory hierarchy a Register, cache, memory, disk, tape Memory manager a Efficiently manage memory a Keep track the free memory, allocate memory to programsMemory Management ◼ Memory (RAM) is an important and rare resource ❑ Programs expand to fill the memory available to them ◼ Programmer’s view ❑ Memory should be private, infinitely large, infinitely fast, nonvolatile… ◼ Reality ❑ Best of people’s mind: memory hierarchy ❑ Register, cache, memory, disk, tape ◼ Memory manager ❑ Efficiently manage memory ❑ Keep track the free memory, allocate memory to programs…