-config ZCACHE2
+config ZCACHE
bool "Dynamic compression of swap pages and clean pagecache pages"
- depends on CRYPTO=y && SWAP=y && CLEANCACHE && FRONTSWAP && !ZCACHE
+ depends on CRYPTO=y && SWAP=y && CLEANCACHE && FRONTSWAP
select CRYPTO_LZO
default n
help
- Zcache2 doubles RAM efficiency while providing a significant
- performance boosts on many workloads. Zcache2 uses
+ Zcache doubles RAM efficiency while providing a significant
+ 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. Zcache2
- is a complete rewrite of the older zcache; it was intended to
- be a merge but that has been blocked due to political and
- technical disagreements. It is intended that they will merge
- again in the future. Until then, zcache2 is a single-node
- version of ramster.
+ providing a noticeable reduction in disk I/O.
config RAMSTER
bool "Cross-machine RAM capacity sharing, aka peer-to-peer tmem"
- depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE2=y
+ depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE=y
depends on NET
# must ensure struct page is 8-byte aligned
select HAVE_ALIGNED_STRUCT_PAGE if !64_BIT
zcache-$(CONFIG_RAMSTER) += ramster/nodemanager.o ramster/tcp.o
zcache-$(CONFIG_RAMSTER) += ramster/heartbeat.o ramster/masklog.o
-obj-$(CONFIG_ZCACHE2) += zcache.o
+obj-$(CONFIG_ZCACHE) += zcache.o