Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030414AbVLGW7q (ORCPT ); Wed, 7 Dec 2005 17:59:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030430AbVLGW7p (ORCPT ); Wed, 7 Dec 2005 17:59:45 -0500 Received: from smtp018.mail.yahoo.com ([216.136.174.115]:7871 "HELO smtp018.mail.yahoo.com") by vger.kernel.org with SMTP id S1030434AbVLGW7p (ORCPT ); Wed, 7 Dec 2005 17:59:45 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=0P1I3/xF+NIPmVOFfhj2SYZvRKziCqH4UtixE/FBLktc+B1mKAsm85i9aJ6QUKhfIv0z18+uyYrEJIyv+HHCYHFjrpI45e7MUf/FVpcVnNPool2mBlWhKFFeuQjPlqiY9pxYCiS0gvZWfmeUfEOEHiOoQ1wd14mxUUwsz/pSvE4= ; Message-ID: <43976949.8010205@yahoo.com.au> Date: Thu, 08 Dec 2005 09:59:21 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051007 Debian/1.7.12-1 X-Accept-Language: en MIME-Version: 1.0 To: Christoph Lameter CC: linux-kernel@vger.kernel.org, Hugh Dickins , linux-mm@kvack.org, Andi Kleen , Marcelo Tosatti Subject: Re: [RFC 1/3] Framework for accurate node based statistics References: <20051206182843.19188.82045.sendpatchset@schroedinger.engr.sgi.com> <439619F9.4030905@yahoo.com.au> <439684C0.9090107@yahoo.com.au> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 950 Lines: 28 Christoph Lameter wrote: > On Wed, 7 Dec 2005, Nick Piggin wrote: > > >>Sorry, I think I meant: why don't you just use the "add all counters >>from all per-cpu of the node" in order to find the node-statistic? > > > which function is that? > I'm thinking of get_page_state_node... but that's not quite the same thing. I guess sum all per-CPU counters from all zones in the node, but that's going to be costly on big machines. So I'm not sure, I guess I don't have any bright ideas... there is the batching approach used by current pagecache_acct - is something like that not sufficient either? -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com - 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/