From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756755AbcBJCec (ORCPT ); Tue, 9 Feb 2016 21:34:32 -0500 Received: from e34.co.us.ibm.com ([32.97.110.152]:48429 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755908AbcBJCeb (ORCPT ); Tue, 9 Feb 2016 21:34:31 -0500 X-IBM-Helo: d03dlp03.boulder.ibm.com X-IBM-MailFrom: aneesh.kumar@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org From: "Aneesh Kumar K.V" To: "Kirill A. Shutemov" Cc: akpm@linux-foundation.org, mpe@ellerman.id.au, "Kirill A. Shutemov" , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V2] mm: Some arch may want to use HPAGE_PMD related values as variables In-Reply-To: <20160209194206.GA22327@node.shutemov.name> References: <1455034304-15301-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <20160209194206.GA22327@node.shutemov.name> User-Agent: Notmuch/0.20.2 (http://notmuchmail.org) Emacs/24.5.1 (x86_64-pc-linux-gnu) Date: Wed, 10 Feb 2016 08:04:14 +0530 Message-ID: <87lh6txpi1.fsf@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16021002-0017-0000-0000-000011F8D29B Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "Kirill A. Shutemov" writes: > On Tue, Feb 09, 2016 at 09:41:44PM +0530, Aneesh Kumar K.V wrote: >> With next generation power processor, we are having a new mmu model >> [1] that require us to maintain a different linux page table format. >> >> Inorder to support both current and future ppc64 systems with a single >> kernel we need to make sure kernel can select between different page >> table format at runtime. With the new MMU (radix MMU) added, we will >> have two different pmd hugepage size 16MB for hash model and 2MB for >> Radix model. Hence make HPAGE_PMD related values as a variable. >> >> [1] http://ibm.biz/power-isa3 (Needs registration). >> >> Signed-off-by: Aneesh Kumar K.V > > I guess it should have my signed-off-by ;) > > Signed-off-by: Kirill A. Shutemov Thanks will update. I will also update the From: -aneesh