From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d28relay04.in.ibm.com (d28relay04.in.ibm.com [9.184.220.61]) by e28smtp01.in.ibm.com (8.13.1/8.13.1) with ESMTP id m2B8Fo9J021575 for ; Tue, 11 Mar 2008 13:45:50 +0530 Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay04.in.ibm.com (8.13.8/8.13.8/NCO v8.7) with ESMTP id m2B8Fo7x1138830 for ; Tue, 11 Mar 2008 13:45:50 +0530 Received: from d28av04.in.ibm.com (loopback [127.0.0.1]) by d28av04.in.ibm.com (8.13.1/8.13.3) with ESMTP id m2B8FnBB027723 for ; Tue, 11 Mar 2008 08:15:50 GMT Message-ID: <47D63FB1.7040502@linux.vnet.ibm.com> Date: Tue, 11 Mar 2008 13:45:45 +0530 From: Balbir Singh Reply-To: balbir@linux.vnet.ibm.com MIME-Version: 1.0 Subject: Re: [PATCH] Move memory controller allocations to their own slabs (v2) References: <20080311061836.6664.5072.sendpatchset@localhost.localdomain> <47D63E9D.70500@openvz.org> In-Reply-To: <47D63E9D.70500@openvz.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Pavel Emelyanov Cc: Andrew Morton , Hugh Dickins , Sudhir Kumar , YAMAMOTO Takashi , Paul Menage , lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org, taka@valinux.co.jp, linux-mm@kvack.org, David Rientjes , KAMEZAWA Hiroyuki List-ID: Pavel Emelyanov wrote: > Balbir Singh wrote: >> Move the memory controller data structure page_cgroup to its own slab cache. >> It saves space on the system, allocations are not necessarily pushed to order >> of 2 and should provide performance benefits. Users who disable the memory >> controller can also double check that the memory controller is not allocating >> page_cgroup's. > > Can you, please, check how many objects-per-page we have with and > without this patch for SLAB and SLUB? > > Thanks. I can for objects-per-page with this patch for SLUB and SLAB. I am not sure about what to check for without this patch. The machine is temporarily busy, I'll check it once I get it back. -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL -- 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