Patent ID: 6571323
Filing Date: 2003-05-27
Classification: G06F

Abstract:
A memory-page management system for tracking an access history of a memory unit having N memory pages, comprising:a managing device for managing the N memory pages, further comprising: a page register unit for storing K storage units, each of the storage units stores an address data corresponding to one of the memory pages; and a utilization-rate register unit, coupled to the page register unit, for monitoring utilizations of the storage units; wherein the number K is less than the number N and, when an access request is a miss and a least recently used storage unit is occupied by an address data of a memory page, the page register unit replaces said address data with the address data of the access request and sends an output signal to the memory unit to close the memory page corresponding to the address data currently occupying the least recently used storage unit and to open a new memory page corresponding to the access request.