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Diffstat (limited to 'drivers/staging/zcache/Kconfig')
| -rw-r--r-- | drivers/staging/zcache/Kconfig | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig index 7fabcb2bc80d..3ed2c8f656a5 100644 --- a/drivers/staging/zcache/Kconfig +++ b/drivers/staging/zcache/Kconfig @@ -1,13 +1,14 @@ config ZCACHE - tristate "Dynamic compression of swap pages and clean pagecache pages" - depends on CLEANCACHE || FRONTSWAP - select XVMALLOC - select LZO_COMPRESS - select LZO_DECOMPRESS + bool "Dynamic compression of swap pages and clean pagecache pages" + # X86 dependency is because zsmalloc uses non-portable pte/tlb + # functions + depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86 + select ZSMALLOC + select CRYPTO_LZO default n help Zcache doubles RAM efficiency while providing a significant - performance boosts on many workloads. Zcache uses lzo1x + performance boosts on many workloads. Zcache uses 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. |