Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758717AbYFDGon (ORCPT ); Wed, 4 Jun 2008 02:44:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758355AbYFDGo1 (ORCPT ); Wed, 4 Jun 2008 02:44:27 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:61436 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754103AbYFDGoZ (ORCPT ); Wed, 4 Jun 2008 02:44:25 -0400 Message-ID: <4846394D.9010805@cn.fujitsu.com> Date: Wed, 04 Jun 2008 14:42:21 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: KAMEZAWA Hiroyuki CC: "linux-mm@kvack.org" , LKML , "balbir@linux.vnet.ibm.com" , "menage@google.com" , "xemul@openvz.org" , "yamamoto@valinux.co.jp" Subject: Re: [RFC][PATCH 2/2] memcg: hardwall hierarhcy for memcg References: <20080604135815.498eaf82.kamezawa.hiroyu@jp.fujitsu.com> <20080604140329.8db1b67e.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20080604140329.8db1b67e.kamezawa.hiroyu@jp.fujitsu.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1486 Lines: 40 KAMEZAWA Hiroyuki wrote: > Hard-Wall hierarchy support for memcg. > - new member hierarchy_model is added to memcg. > > Only root cgroup can modify this only when there is no children. > > Adds following functions for supporting HARDWALL hierarchy. > - try to reclaim memory at the change of "limit". > - try to reclaim all memory at force_empty > - returns resources to the parent at destroy. > > Changelog v2->v3 > - added documentation. > - hierarhcy_model parameter is added. > > > Signed-off-by: KAMEZAWA Hiroyuki > > --- > Documentation/controllers/memory.txt | 27 +++++- > mm/memcontrol.c | 156 ++++++++++++++++++++++++++++++++++- > 2 files changed, 178 insertions(+), 5 deletions(-) > > Index: temp-2.6.26-rc2-mm1/mm/memcontrol.c > =================================================================== > --- temp-2.6.26-rc2-mm1.orig/mm/memcontrol.c > +++ temp-2.6.26-rc2-mm1/mm/memcontrol.c > @@ -137,6 +137,8 @@ struct mem_cgroup { > struct mem_cgroup_lru_info info; > > int prev_priority; /* for recording reclaim priority */ > + > + int hierarchy_model; /* used hierarchical policy */ hierarchy_model can be a global value instead of per cgroup value. -- 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/