From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id E917C6B0047 for ; Thu, 17 Dec 2009 20:07:53 -0500 (EST) Message-ID: <4B2AD5E7.4030000@goop.org> Date: Thu, 17 Dec 2009 17:07:51 -0800 From: Jeremy Fitzhardinge MIME-Version: 1.0 Subject: Re: Tmem [PATCH 4/5] (Take 3): Add mm buildfiles References: <6160c200-144c-4cc0-b095-6fe27e9ee3a1@default> In-Reply-To: <6160c200-144c-4cc0-b095-6fe27e9ee3a1@default> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Dan Magenheimer Cc: linux-kernel@vger.kernel.org, npiggin@suse.de, akpm@osdl.org, xen-devel@lists.xensource.com, tmem-devel@oss.oracle.com, kurt.hackel@oracle.com, Russell , Rik van Riel , dave.mccracken@oracle.com, linux-mm@kvack.org, Rusty@rcsinet15.oracle.com, sunil.mushran@oracle.com, Avi Kivity , Schwidefsky , Balbir Singh , Marcelo Tosatti , alan@lxorguk.ukuu.org.uk, chris.mason@oracle.com, Pavel Machek List-ID: On 12/17/2009 04:38 PM, Dan Magenheimer wrote: > Tmem [PATCH 4/5] (Take 3): Add mm buildfiles > > Add necessary Kconfig and Makefile changes to mm directory > These should be part of their respective tmem-core/frontswap/cleancache patches. J > Signed-off-by: Dan Magenheimer > > Kconfig | 26 +++++++++++++++++++++ > Makefile | 3 ++ > 2 files changed, 29 insertions(+) > > --- linux-2.6.32/mm/Kconfig 2009-12-02 20:51:21.000000000 -0700 > +++ linux-2.6.32-tmem/mm/Kconfig 2009-12-17 13:56:46.000000000 -0700 > @@ -287,3 +287,29 @@ config NOMMU_INITIAL_TRIM_EXCESS > of 1 says that all excess pages should be trimmed. > > See Documentation/nommu-mmap.txt for more information. > + > +# > +# support for transcendent memory > +# > +config TMEM > + bool "Transcendent memory support" > + help > + In a virtualized environment, allows unused and underutilized > + system physical memory to be made accessible through a narrow > + well-defined page-copy-based API. > + > +config CLEANCACHE > + bool "Cache clean pages in transcendent memory" > + depends on TMEM > + help > + Allows the transcendent memory pool to be used to store clean > + page-cache pages which, under some circumstances, will greatly > + reduce paging and thus improve performance. > + > +config FRONTSWAP > + bool "Swap pages to transcendent memory" > + depends on TMEM > + help > + Allows the transcendent memory pool to be used as a pseudo-swap > + device which, under some circumstances, will greatly reduce > + swapping and thus improve performance. > --- linux-2.6.32/mm/Makefile 2009-12-02 20:51:21.000000000 -0700 > +++ linux-2.6.32-tmem/mm/Makefile 2009-12-17 14:23:40.000000000 -0700 > @@ -17,6 +17,9 @@ obj-y += init-mm.o > > obj-$(CONFIG_BOUNCE) += bounce.o > obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o > +obj-$(CONFIG_TMEM) += tmem.o > +obj-$(CONFIG_FRONTSWAP) += frontswap.o > +obj-$(CONFIG_CLEANCACHE) += cleancache.o > obj-$(CONFIG_HAS_DMA) += dmapool.o > obj-$(CONFIG_HUGETLBFS) += hugetlb.o > obj-$(CONFIG_NUMA) += mempolicy.o > > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org