MEMORY MANAGEMENT APPARATUS AND MEMORY MANAGEMENT METHOD THEREOF

摘要

A memory management apparatus and method thereof are disclosed. The memory management apparatus includes a micro translation look-aside buffers, a main translation look-aside buffer, a page address history table and a controller. The page address history table is used to record the space size information for a plurality of page table entry which are written to the main translation look-aside buffer. The controller decides to whether access a page table entry or not from the main translation look-aside buffer according to the page address history table.

主权项

1. A memory management apparatus, comprising:
a micro translation look-aside buffer; a main translation look-aside buffer; a page address history table, coupled between the micro translation look-aside buffer and the main translation look-aside buffer, the page address history table recording a space size information of a page table entry written in the main translation look-aside buffer; and a controller, coupled to the micro translation look-aside buffer, the main translation look-aside buffer and the page address history table, wherein the controller decides whether or not to access the main translation look-aside buffer for reading the page table entry according to the information recorded in the page address history table.