From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx148.postini.com [74.125.245.148]) by kanga.kvack.org (Postfix) with SMTP id 16DF16B0044 for ; Thu, 23 Aug 2012 00:16:31 -0400 (EDT) Received: from /spool/local by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 23 Aug 2012 09:46:27 +0530 Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q7N4GMFq2490686 for ; Thu, 23 Aug 2012 09:46:22 +0530 Received: from d28av05.in.ibm.com (loopback [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q7N4GKlZ027981 for ; Thu, 23 Aug 2012 14:16:22 +1000 Date: Thu, 23 Aug 2012 09:45:57 +0530 From: Vaidyanathan Srinivasan Subject: Re: [PATCH 33/36] autonuma: powerpc port Message-ID: <20120823041557.GA24519@dirshya.in.ibm.com> Reply-To: svaidy@linux.vnet.ibm.com References: <1345647560-30387-1-git-send-email-aarcange@redhat.com> <1345647560-30387-34-git-send-email-aarcange@redhat.com> <1345672907.2617.44.camel@pasglop> <1345676194.13399.1.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1345676194.13399.1.camel@pasglop> Sender: owner-linux-mm@kvack.org List-ID: To: Benjamin Herrenschmidt Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Hillf Danton , Dan Smith , Linus Torvalds , Andrew Morton , Thomas Gleixner , Ingo Molnar , Paul Turner , Suresh Siddha , Mike Galbraith , "Paul E. McKenney" , Lai Jiangshan , Bharata B Rao , Lee Schermerhorn , Rik van Riel , Johannes Weiner , Srivatsa Vaddagiri , Christoph Lameter , Alex Shi , Mauricio Faria de Oliveira , Konrad Rzeszutek Wilk , Don Morris , Andrea Arcangeli * Benjamin Herrenschmidt [2012-08-23 08:56:34]: > On Thu, 2012-08-23 at 08:01 +1000, Benjamin Herrenschmidt wrote: > > On Wed, 2012-08-22 at 16:59 +0200, Andrea Arcangeli wrote: > > > From: Vaidyanathan Srinivasan > > > > > > * PMD flaging is not required in powerpc since large pages > > > are tracked in ptes. > > > * Yet to be tested with large pages > > > * This is an initial patch that partially works > > > * knuma_scand and numa hinting page faults works > > > * Page migration is yet to be observed/verified > > > > > > Signed-off-by: Vaidyanathan Srinivasan > > > Signed-off-by: Andrea Arcangeli > > > > I don't like this. > > What I mean here is that it's fine as a proof of concept ;-) I don't > like it being in a series aimed at upstream... I agree. My intend was to get the ppc64 discussions started and also see what it takes to get autonuma to a new arch. > We can try to flush out the issues, but as it is, the patch isn't > upstreamable imho. Yes. The patch is still in RFC phase and good only for review/testing. > As for finding PTE bits, I have a few ideas we need to discuss, but > nothing simple I'm afraid. Sure Ben, lets try them and find the better fit. --Vaidy -- 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