diff options
Diffstat (limited to 'drivers/staging/ramster/Kconfig')
| -rw-r--r-- | drivers/staging/ramster/Kconfig | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/staging/ramster/Kconfig b/drivers/staging/ramster/Kconfig index 7fabcb2..acfb974 100644 --- a/drivers/staging/ramster/Kconfig +++ b/drivers/staging/ramster/Kconfig @@ -1,13 +1,13 @@ -config ZCACHE - tristate "Dynamic compression of swap pages and clean pagecache pages" - depends on CLEANCACHE || FRONTSWAP - select XVMALLOC +config RAMSTER + bool "Cross-machine RAM capacity sharing, aka peer-to-peer tmem" + depends on (CLEANCACHE || FRONTSWAP) && CONFIGFS_FS && !ZCACHE && !XVMALLOC && !HIGHMEM 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. + RAMster allows RAM on other machines in a cluster to be utilized + dynamically and symmetrically instead of swapping to a local swap + disk, thus improving performance on memory-constrained workloads + while minimizing total RAM across the cluster. RAMster, like + zcache, compresses swap pages into local RAM, but then remotifies + the compressed pages to another node in the RAMster cluster. |