Methods and systems for managing memory of a storage drive
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Oct 19, 2015
filing date -
Aug 20, 2015
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Abstract
Methods and corresponding systems for managing memory of a storage drive are provided. The method includes determining a number of invalid pages in each memory block of a plurality of memory blocks in the storage drive. Thereafter, the method includes identifying a set of target memory blocks within the plurality of memory blocks. The set of target memory blocks is identified by determining a target memory block comprising the highest number of invalid pages amongst the plurality of memory blocks. The step of determining is iterated to determine further target memory blocks while the total number of valid pages in the set of target memory blocks is less than or equal to the total number of free pages in one of at least one free memory block and a garbage collection memory block in the storage drive. The method further includes recycling the set of target memory blocks.
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