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config ZCACHE
tristate "Dynamic compression of swap pages and clean pagecache pages"
depends on CLEANCACHE || FRONTSWAP
select XVMALLOC
select LZO_COMPRESS
select LZO_DECOMPRESS
default n
help
Zcache doubles RAM efficiency while providing a significant
performance boosts on many workloads. Zcache uses lzo1x
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.
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