Memory system and memory management method thereof
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United States of America Patent
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Oct 23, 2018
Grant Date -
Nov 30, 2017
app pub date -
Dec 6, 2016
filing date -
May 26, 2016
priority date (Note) -
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Abstract
A memory management method includes: providing a hybrid memory comprising a first type memory and a second type memory; providing an inactive list and a read active list for recording in-used pages on the first type memory; providing a write active list for recording in-used pages on the second type memory; allocating a page from the first type memory according to a system request, and inserting the page into the inactive list accordingly; moving the page from the inactive list to the write active list or the read active list in response to two or more successive access operations on the page; and referring the page to a physical address on the second type memory when the page is in the write active list.
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