Mapping-based wear leveling for non-volatile memory
Abstract:
Apparatuses, systems, and methods are disclosed for mapping-based wear leveling for non-volatile memory. An apparatus may include one or more non-volatile memory elements, and a controller. A controller may maintain a logical-to-physical mapping for converting logical addresses to physical addresses. A logical-to-physical mapping may include a translation table that associates groups of logical addresses with groups of physical addresses, and one or more mathematical mappings. A mathematical mapping for a group of logical addresses may associate individual logical addresses within the group of logical addresses with individual physical addresses within a corresponding group of physical addresses. A controller may change at least one mathematical mapping. A controller may move data based on at least one changed mapping.
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