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Message-ID: <20110207032709.GA27475@ca-server1.us.oracle.com> Date: Sun, 6 Feb 2011 19:27:09 -0800 From: Dan Magenheimer <dan.magenheimer@...cle.com> To: gregkh@...e.de, chris.mason@...cle.com, akpm@...ux-foundation.org, torvalds@...ux-foundation.org, matthew@....cx, linux-kernel@...r.kernel.org, linux-mm@...ck.org, ngupta@...are.org, jeremy@...p.org, kurt.hackel@...cle.com, npiggin@...nel.dk, riel@...hat.com, konrad.wilk@...cle.com, dan.magenheimer@...cle.com, mel@....ul.ie, minchan.kim@...il.com, kosaki.motohiro@...fujitsu.com, sfr@...b.auug.org.au, wfg@...l.ustc.edu.cn, tytso@....edu, viro@...IV.linux.org.uk, hughd@...gle.com, hannes@...xchg.org Subject: [PATCH V2 3/3] drivers/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@...cle.com> Signed-off-by: Nitin Gupta <ngupta@...are.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" -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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