Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v3.4-rc1 14 lines 555 B view raw
1config ZCACHE 2 bool "Dynamic compression of swap pages and clean pagecache pages" 3 # X86 dependency is because zsmalloc uses non-portable pte/tlb 4 # functions 5 depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86 6 select ZSMALLOC 7 select CRYPTO_LZO 8 default n 9 help 10 Zcache doubles RAM efficiency while providing a significant 11 performance boosts on many workloads. Zcache uses 12 compression and an in-kernel implementation of transcendent 13 memory to store clean page cache pages and swap in RAM, 14 providing a noticeable reduction in disk I/O.