The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2026
Filed:
Aug. 21, 2023
Memory controller, memory system for dataset management handling, method, and storage medium thereof
Yangtze Memory Technologies Co., Ltd., Wuhan, CN;
Weilin Liu, Wuhan, CN;
YANGTZE MEMORY TECHNOLOGIES CO., LTD., Wuhan, CN;
Abstract
In certain aspects, a memory controller includes a data classification accelerator, a deallocation accelerator, and a mapping table accelerator. The data classification accelerator is configured to divide a deallocated logical range into a set of deallocation zones. The set of deallocation zones includes one or more first deallocation zones which are classified into one or more aligned zones, respectively. The deallocation accelerator is operatively coupled to the data classification accelerator, and configured to update a dataset management (DSM) bitmap based on the one or more aligned zones. The mapping table accelerator is operatively coupled to the data classification accelerator and the deallocation accelerator. The mapping table accelerator is configured to, responsive to the updating of the DSM bitmap, generate a response indicating that the deallocated logical range is processed.
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