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Remapping for memory wear leveling

  • US 8,745,357 B2
  • Filed: 11/30/2009
  • Issued: 06/03/2014
  • Est. Priority Date: 11/30/2009
  • Status: Active Grant
First Claim
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1. A method for remapping for wear leveling of a memory, the method implemented as logic, comprising:

  • receiving a memory operation, the memory operation including a logical memory address;

    dividing the logical address into a logical block address portion, a logical line address portion, and a logical subline address portion;

    performing a block remapping, producing a physical block address;

    selecting a line remap key using one of the logical block address portion and the physical block address to perform a line remapping within a block of a same block size that the block remapping is performed;

    applying the line remap key to the logical line address portion to produce a physical line address;

    producing a physical subline address; and

    combining the physical block, line, and subline addresses to produce a physical address for the memory operation.

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