* [PATCH V2 3/3] drivers/staging: zcache: misc build/config
@ 2011-02-07 3:27 ` Dan Magenheimer
0 siblings, 0 replies; 2+ messages in thread
From: Dan Magenheimer @ 2011-02-07 3:27 UTC (permalink / raw)
To: gregkh, chris.mason, akpm, torvalds, matthew, linux-kernel,
linux-mm, ngupta, jeremy, kurt.hackel, npiggin, riel,
konrad.wilk, dan.magenheimer, mel, minchan.kim, kosaki.motohiro,
sfr, wfg, tytso, viro, hughd, hannes
[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>
---
Diffstat:
drivers/staging/Kconfig | 2 ++
drivers/staging/Makefile | 1 +
drivers/staging/zcache/Kconfig | 13 +++++++++++++
drivers/staging/zcache/Makefile | 1 +
4 files changed, 17 insertions(+)
--- linux-2.6.37/drivers/staging/zcache/Makefile 1969-12-31 17:00:00.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/zcache/Makefile 2011-02-05 15:47:15.000000000 -0700
@@ -0,0 +1 @@
+obj-$(CONFIG_ZCACHE) += zcache.o tmem.o
--- linux-2.6.37/drivers/staging/zcache/Kconfig 1969-12-31 17:00:00.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/zcache/Kconfig 2011-02-05 15:54:10.000000000 -0700
@@ -0,0 +1,13 @@
+config ZCACHE
+ tristate "Dynamic compression of swap pages and clean pagecache pages"
+ depends on CLEANCACHE || FRONTSWAP
+ select XVMALLOC
+ select LZO_COMPRESS
+ select LZO_DECOMPRESS
+ default n
+ help
+ Zcache doubles RAM efficiency while providing a significant
+ performance boosts on many workloads. Zcache uses lzo1x
+ compression and an in-kernel implementation of transcendent
+ memory to store clean page cache pages and swap in RAM,
+ providing a noticeable reduction in disk I/O.
--- linux-2.6.37/drivers/staging/Makefile 2011-01-04 17:50:19.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/Makefile 2011-02-05 15:46:16.000000000 -0700
@@ -44,6 +44,7 @@ obj-$(CONFIG_VME_BUS) += vme/
obj-$(CONFIG_MRST_RAR_HANDLER) += memrar/
obj-$(CONFIG_IIO) += iio/
obj-$(CONFIG_ZRAM) += zram/
+obj-$(CONFIG_ZCACHE) += zcache/
obj-$(CONFIG_WLAGS49_H2) += wlags49_h2/
obj-$(CONFIG_WLAGS49_H25) += wlags49_h25/
obj-$(CONFIG_BATMAN_ADV) += batman-adv/
--- linux-2.6.37/drivers/staging/Kconfig 2011-01-04 17:50:19.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/Kconfig 2011-02-05 15:46:48.000000000 -0700
@@ -123,6 +123,8 @@ source "drivers/staging/iio/Kconfig"
source "drivers/staging/zram/Kconfig"
+source "drivers/staging/zcache/Kconfig"
+
source "drivers/staging/wlags49_h2/Kconfig"
source "drivers/staging/wlags49_h25/Kconfig"
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH V2 3/3] drivers/staging: zcache: misc build/config
@ 2011-02-07 3:27 ` Dan Magenheimer
0 siblings, 0 replies; 2+ messages in thread
From: Dan Magenheimer @ 2011-02-07 3:27 UTC (permalink / raw)
To: gregkh, chris.mason, akpm, torvalds, matthew, linux-kernel,
linux-mm, ngupta, jeremy, kurt.hackel, npiggin, riel,
konrad.wilk, dan.magenheimer, mel, minchan.kim, kosaki.motohiro,
sfr, wfg, tytso, viro, hughd, hannes
[PATCH V2 3/3] drivers/staging: zcache: misc build/config
Makefiles and Kconfigs to build zcache in drivers/staging
There is a dependency on xvmalloc.* which in 2.6.37 resides
in drivers/staging/zram. Should this move or disappear,
some Makefile/Kconfig changes will be required.
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Nitin Gupta <ngupta@vflare.org>
---
Diffstat:
drivers/staging/Kconfig | 2 ++
drivers/staging/Makefile | 1 +
drivers/staging/zcache/Kconfig | 13 +++++++++++++
drivers/staging/zcache/Makefile | 1 +
4 files changed, 17 insertions(+)
--- linux-2.6.37/drivers/staging/zcache/Makefile 1969-12-31 17:00:00.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/zcache/Makefile 2011-02-05 15:47:15.000000000 -0700
@@ -0,0 +1 @@
+obj-$(CONFIG_ZCACHE) += zcache.o tmem.o
--- linux-2.6.37/drivers/staging/zcache/Kconfig 1969-12-31 17:00:00.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/zcache/Kconfig 2011-02-05 15:54:10.000000000 -0700
@@ -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.
--- linux-2.6.37/drivers/staging/Makefile 2011-01-04 17:50:19.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/Makefile 2011-02-05 15:46:16.000000000 -0700
@@ -44,6 +44,7 @@ obj-$(CONFIG_VME_BUS) += vme/
obj-$(CONFIG_MRST_RAR_HANDLER) += memrar/
obj-$(CONFIG_IIO) += iio/
obj-$(CONFIG_ZRAM) += zram/
+obj-$(CONFIG_ZCACHE) += zcache/
obj-$(CONFIG_WLAGS49_H2) += wlags49_h2/
obj-$(CONFIG_WLAGS49_H25) += wlags49_h25/
obj-$(CONFIG_BATMAN_ADV) += batman-adv/
--- linux-2.6.37/drivers/staging/Kconfig 2011-01-04 17:50:19.000000000 -0700
+++ linux-2.6.37-zcache/drivers/staging/Kconfig 2011-02-05 15:46:48.000000000 -0700
@@ -123,6 +123,8 @@ source "drivers/staging/iio/Kconfig"
source "drivers/staging/zram/Kconfig"
+source "drivers/staging/zcache/Kconfig"
+
source "drivers/staging/wlags49_h2/Kconfig"
source "drivers/staging/wlags49_h25/Kconfig"
--
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^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2011-02-07 4:15 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2011-02-07 3:27 [PATCH V2 3/3] drivers/staging: zcache: misc build/config Dan Magenheimer
2011-02-07 3:27 ` Dan Magenheimer
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