1config ZCACHE
2    bool "Dynamic compression of swap pages and clean pagecache pages"
3    depends on (CLEANCACHE || FRONTSWAP) && CRYPTO=y && ZSMALLOC=y
4    select CRYPTO_LZO
5    default n
6    help
7      Zcache doubles RAM efficiency while providing a significant
8      performance boosts on many workloads. Zcache uses
9      compression and an in-kernel implementation of transcendent
10      memory to store clean page cache pages and swap in RAM,
11      providing a noticeable reduction in disk I/O.

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