Method for reclaiming and rebuilding memory space

A memory space and memory technology, applied in the direction of memory address/allocation/relocation, etc., can solve the problem of wasting resources and avoid misuse

Inactive Publication Date: 2013-04-17
FLUIDITECH IP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in image 3 From the point of view of the unit cell, there are still many unit cells that are not damaged, which can be regarded as non-defective parts, and this part can still be used
If discarded, it is a waste of resources

Method used

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  • Method for reclaiming and rebuilding memory space
  • Method for reclaiming and rebuilding memory space
  • Method for reclaiming and rebuilding memory space

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Embodiment Construction

[0017] In order to fully understand the purpose, features and effects of the present invention, the present invention is described in detail as follows by means of the following specific embodiments and accompanying drawings:

[0018] refer to Figure 4 , is a flow chart of a method for reclaiming and rebuilding memory space according to an embodiment of the present invention. exist Figure 4 In this method, the method of reclaiming and rebuilding the memory space is used to reclaim the usable memory space in the reclaimed die, so as to form a memory with standardized or non-standardized storage capacity. Among them, the recovered grains include (a) the memory grains have not been found to be defective grains, but the grains only have partial functions and include some usable cells; (b) the memory grains are open due to (c) Normal memory dies include general defects and all or part of useful memory cells; and (d) During the process of functional testing in memory dies, error...

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Abstract

A method for reclaiming and rebuilding a memory space is used for reclaiming the usable memory space in a crystal grain (inked die) so as to form a memory with standard or non-standard storage capacity. The method comprises the steps of scanning at least one of a block area, a page area and a unit cell area in the crystal grain (also known as a memory unit), performing normal or abnormal marking on the selected areas by means of writing-in and reading of test data and comparison of each selected area, performing circular operation of the steps so as to achieve complete scanning and testing of the crystal grain, allocating and collecting the areas marked as normal so as to rebuild the memory with the standard or non-standard storage capacity, and enabling any controller or mainframe to perform access of the storage capacity.

Description

technical field [0001] The present invention relates to a method for reclaiming and rebuilding memory space, in particular to reclaiming usable memory space from reclaimed die (inked die) and rebuilding the memory with standardized or non-standardized storage capacity for use. spatial approach. Background technique [0002] In the prior art, since the global network enters a new cloud application mode, all the data of the personal company's commercial application data is imported to the cloud server. In addition, coupled with the popularization of optical fiber, WI-FI and mobile communication, the speed of consumption of flash memory in the world has shown a compound growth of multiples every year. Furthermore, because the servers in the cloud use high-end SSDs to improve performance. With the demand of a large number of applications, the capacity of the SSD is also increasing rapidly, and coupled with the rapid growth of smart phones and tablet computers, the flash memory...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/02
Inventor 储永强
Owner FLUIDITECH IP
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