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CONFIG_ZCACHE: Dynamic compression of swap pages and clean pagecache pages

General informations

The Linux kernel configuration item CONFIG_ZCACHE has multiple definitions:

Dynamic compression of swap pages and clean pagecache pages found in drivers/staging/zcache/Kconfig

The configuration item CONFIG_ZCACHE:

Help text

Zcache doubles RAM efficiency while providing a significant performance boosts on many workloads. Zcache uses compression and an in-kernel implementation of transcendent memory to store clean page cache pages and swap in RAM, providing a noticeable reduction in disk I/O.

Dynamic compression of swap pages and clean pagecache pages found in drivers/staging/zcache/Kconfig

The configuration item CONFIG_ZCACHE:

Help text

Zcache doubles RAM efficiency while providing a significant performance boosts on many workloads. Zcache uses compression and an in-kernel implementation of transcendent memory to store clean page cache pages and swap in RAM, providing a noticeable reduction in disk I/O.

Hardware

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