From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m3.gw.fujitsu.co.jp ([10.0.50.73]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id m9O4cOcv021886 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Fri, 24 Oct 2008 13:38:24 +0900 Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 3D9832AC025 for ; Fri, 24 Oct 2008 13:38:24 +0900 (JST) Received: from s5.gw.fujitsu.co.jp (s5.gw.fujitsu.co.jp [10.0.50.95]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 09E2612C047 for ; Fri, 24 Oct 2008 13:38:24 +0900 (JST) Received: from s5.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s5.gw.fujitsu.co.jp (Postfix) with ESMTP id E7C881DB8038 for ; Fri, 24 Oct 2008 13:38:23 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.249.87.107]) by s5.gw.fujitsu.co.jp (Postfix) with ESMTP id A0EAA1DB803F for ; Fri, 24 Oct 2008 13:38:20 +0900 (JST) Date: Fri, 24 Oct 2008 13:37:51 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [RFC][PATCH 9/11] memcg : mem+swap controlelr kconfig Message-Id: <20081024133751.db999b79.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20081023213228.bf7cc325.randy.dunlap@oracle.com> References: <20081023175800.73afc957.kamezawa.hiroyu@jp.fujitsu.com> <20081023181220.80dc24c5.kamezawa.hiroyu@jp.fujitsu.com> <20081023213228.bf7cc325.randy.dunlap@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Randy Dunlap Cc: "linux-mm@kvack.org" , "balbir@linux.vnet.ibm.com" , "nishimura@mxp.nes.nec.co.jp" , "xemul@openvz.org" , "menage@google.com" List-ID: On Thu, 23 Oct 2008 21:32:28 -0700 Randy Dunlap wrote: > On Thu, 23 Oct 2008 18:12:20 +0900 KAMEZAWA Hiroyuki wrote: > > > Documentation/kernel-parameters.txt | 3 +++ > > include/linux/memcontrol.h | 3 +++ > > init/Kconfig | 16 ++++++++++++++++ > > mm/memcontrol.c | 17 +++++++++++++++++ > > 4 files changed, 39 insertions(+) > > > > Index: mmotm-2.6.27+/init/Kconfig > > =================================================================== > > --- mmotm-2.6.27+.orig/init/Kconfig > > +++ mmotm-2.6.27+/init/Kconfig > > @@ -613,6 +613,22 @@ config KALLSYMS_EXTRA_PASS > > reported. KALLSYMS_EXTRA_PASS is only a temporary workaround while > > you wait for kallsyms to be fixed. > > > > +config CGROUP_MEM_RES_CTLR_SWAP > > + bool "Memory Resource Controller Swap Extension(EXPERIMENTAL)" > > + depends on CGROUP_MEM_RES_CTLR && SWAP && EXPERIMENTAL > > + help > > + Add swap management feature to memory resource controller. When you > > + enable this, you can limit mem+swap usage per cgroup. In other words, > > + when you disable this, memory resource controller have no cares to > > probably: has > > > + usage of swap...a process can exhaust the all swap. This extension > > all of the swap. > > > + is useful when you want to avoid exhausion of swap but this itself > > exhaustion > > > + adds more overheads and consumes memory for remembering information. > > + Especially if you use 32bit system or small memory system, > > + please be careful to enable this. When memory resource controller > > probably: about enabling this. > Thank you for review. will be fixed. -Kame > > + is disabled by boot option, this will be automatiaclly disabled and > > + there will be no overhead from this. Even when you set this config=y, > > + if boot option "noswapaccount" is set, swap will not be accounted. > > + > > > > config HOTPLUG > > bool "Support for hot-pluggable devices" if EMBEDDED > > > --- > ~Randy > -- 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