tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / drivers / staging / zcache / Kconfig
at v3.0-rc6 13 lines 494 B view raw
1config ZCACHE 2 tristate "Dynamic compression of swap pages and clean pagecache pages" 3 depends on CLEANCACHE || FRONTSWAP 4 select XVMALLOC 5 select LZO_COMPRESS 6 select LZO_DECOMPRESS 7 default n 8 help 9 Zcache doubles RAM efficiency while providing a significant 10 performance boosts on many workloads. Zcache uses lzo1x 11 compression and an in-kernel implementation of transcendent 12 memory to store clean page cache pages and swap in RAM, 13 providing a noticeable reduction in disk I/O.