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 v3.8-rc7 11 lines 470 B view raw
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.