page-level-mapping · shipping · also Page-mapped FTL

Page-level mapping (FTL)

Page-level mapping assigns physical flash locations independently to logical pages.

Mapping granularity does not require full RAM residency. DFTL caches selected entries. Do not equate the logical mapping unit with one host LBA or assume one fixed NAND page size. [1]

Relations

related
ftl, block-level-mapping, mapping-cache, translation-page

Citations

  1. Gupta, Kim and Urgaonkar. DFTL: Demand-based Selective Caching of Page-level Address Mappings. ASPLOS 2009, sections 2-3. (accessed 2026-10-18)

Further reading

  1. Hesela: Flash Translation Layer technology guide (accessed 2026-10-18)

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Hesela team. Page-level mapping (FTL). Hesela. 2026-10-18. https://hesela.dev/terms/page-level-mapping/