CONFIG_Z3FOLD: Up to 3x density storage for compressed pages

General informations

The Linux kernel configuration item CONFIG_Z3FOLD:

• prompt: Up to 3x density storage for compressed pages
• type: tristate
• depends on: CONFIG_ZPOOL
• defined in mm/Kconfig
• found in Linux kernels: 4.7–4.20, 5.0–5.18, 5.18+HEAD
• modules built: z3fold

Help text

A special purpose allocator for storing compressed pages. It is designed to store up to three compressed pages per physical page. It is a ZBUD derivative so the simplicity and determinism are still there.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb fs "z3fold" : CONFIG_Z3FOLD : mm/z3fold.c # in 5.2–5.18, 5.18+HEAD
• lkddb module z3fold CONFIG_Z3FOLD : mm/Kconfig : "Up to 3x density storage for compressed pages" # in 4.7–4.20, 5.0–5.18, 5.18+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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