Invention Grant
- Patent Title: Flash memory system and managing and collecting methods for flash memory with invalid page messages thereof
- Patent Title (中): 闪存系统以及具有无效页面消息的闪存的管理和收集方法
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Application No.: US13244328Application Date: 2011-09-24
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Publication No.: US09122580B2Publication Date: 2015-09-01
- Inventor: Po-chun Huang , Yuan-hao Chang , Jen-wie Hsieh , Yung-feng Lu , Chia-lin Chang
- Applicant: Po-chun Huang , Yuan-hao Chang , Jen-wie Hsieh , Yung-feng Lu , Chia-lin Chang
- Applicant Address: TW Shindian, Taipei
- Assignee: GENESYS LOGIC, INC.
- Current Assignee: GENESYS LOGIC, INC.
- Current Assignee Address: TW Shindian, Taipei
- Priority: TW100115987A 20110506
- Main IPC: G06F12/02
- IPC: G06F12/02
Abstract:
A flash memory system and managing and collecting methods for flash memory with invalid page messages thereof are described. When the valid data pages of the flash memory are changed to invalid data pages, a recording area is used to record the message of the invalid data pages to effectively collect the occupied space of the invalid data pages in the flash memory. Further, while garbage collecting step is performed, a block is rapidly selected according to the message of the recording area and the valid data pages in the selected block are correctly identified, copied and removed.
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