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-rw-r--r--drivers/staging/zcache/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig
new file mode 100644
index 000000000000..7fabcb2bc80d
--- /dev/null
+++ b/drivers/staging/zcache/Kconfig
@@ -0,0 +1,13 @@
+config ZCACHE
+ tristate "Dynamic compression of swap pages and clean pagecache pages"
+ depends on CLEANCACHE || FRONTSWAP
+ select XVMALLOC
+ 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.