| 摘要 |
User data are stored in a memory that includes one or more blocks of pages by, for one of the blocks, and optionally for all of the blocks, whenever writing any of the user data to that block, writing the block according to a predefined plan for specifying, with respect to each page of that block, a portion of the user data that is to be written to that page. Alternatively or additionally, each page that stores user data has associated therewith a metadatum related to the age of the user data stored therein; and, for one of the blocks, at any time that two or more of the pages of that block store user data, a common value of the metadatum is associated with all such pages.
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