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staging: zcache: misc build/config 

[PATCH V2 3/3] drivers/staging: zcache: misc build/config

Makefiles and Kconfigs to build zcache in drivers/staging

There is a dependency on xvmalloc.* which in 2.6.37 resides
in drivers/staging/zram.  Should this move or disappear,
some Makefile/Kconfig changes will be required.

Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dan Magenheimer 2011-02-06 19:27:09 -08:00 committed by Greg Kroah-Hartman
parent 9cc06bf88d
commit 6630889735
4 changed files with 17 additions and 0 deletions
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2
drivers/staging/Kconfig
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@ -127,6 +127,8 @@ source "drivers/staging/cs5535_gpio/Kconfig"
source "drivers/staging/zram/Kconfig"
source "drivers/staging/zcache/Kconfig"
source "drivers/staging/wlags49_h2/Kconfig"
source "drivers/staging/wlags49_h25/Kconfig"

1
drivers/staging/Makefile
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@ -45,6 +45,7 @@ obj-$(CONFIG_DX_SEP) += sep/
obj-$(CONFIG_IIO) += iio/
obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio/
obj-$(CONFIG_ZRAM) += zram/
obj-$(CONFIG_ZCACHE) += zcache/
obj-$(CONFIG_WLAGS49_H2) += wlags49_h2/
obj-$(CONFIG_WLAGS49_H25) += wlags49_h25/
obj-$(CONFIG_SAMSUNG_LAPTOP) += samsung-laptop/

13
drivers/staging/zcache/Kconfig Normal file
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@ -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.

1
drivers/staging/zcache/Makefile Normal file
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@ -0,0 +1 @@
obj-$(CONFIG_ZCACHE) += zcache.o tmem.o