Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754570Ab1BGEPm (ORCPT ); Sun, 6 Feb 2011 23:15:42 -0500 Received: from rcsinet10.oracle.com ([148.87.113.121]:39570 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754269Ab1BGEPl (ORCPT ); Sun, 6 Feb 2011 23:15:41 -0500 Date: Sun, 6 Feb 2011 19:27:09 -0800 From: Dan Magenheimer To: gregkh@suse.de, chris.mason@oracle.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, matthew@wil.cx, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ngupta@vflare.org, jeremy@goop.org, kurt.hackel@oracle.com, npiggin@kernel.dk, riel@redhat.com, konrad.wilk@oracle.com, dan.magenheimer@oracle.com, mel@csn.ul.ie, minchan.kim@gmail.com, kosaki.motohiro@jp.fujitsu.com, sfr@canb.auug.org.au, wfg@mail.ustc.edu.cn, tytso@mit.edu, viro@ZenIV.linux.org.uk, hughd@google.com, hannes@cmpxchg.org Subject: [PATCH V2 3/3] drivers/staging: zcache: misc build/config Message-ID: <20110207032709.GA27475@ca-server1.us.oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-11) X-Source-IP: acsmt355.oracle.com [141.146.40.155] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090208.4D4F71AB.004E:SCFMA4539814,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2705 Lines: 66 [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 Signed-off-by: Nitin Gupta --- 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/