From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66363C00307 for ; Mon, 9 Sep 2019 08:52:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40B0B2086D for ; Mon, 9 Sep 2019 08:52:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732554AbfIIIwV (ORCPT ); Mon, 9 Sep 2019 04:52:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46758 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727298AbfIIIwV (ORCPT ); Mon, 9 Sep 2019 04:52:21 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 07CB630860DA; Mon, 9 Sep 2019 08:52:20 +0000 (UTC) Received: from [10.36.116.173] (ovpn-116-173.ams2.redhat.com [10.36.116.173]) by smtp.corp.redhat.com (Postfix) with ESMTP id 45A7B5D9D6; Mon, 9 Sep 2019 08:52:07 +0000 (UTC) Subject: Re: [PATCH v9 5/8] arm64: Move hugetlb related definitions out of pgtable.h to page-defs.h To: Alexander Duyck , virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org, mst@redhat.com, catalin.marinas@arm.com, dave.hansen@intel.com, linux-kernel@vger.kernel.org, willy@infradead.org, mhocko@kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, will@kernel.org, linux-arm-kernel@lists.infradead.org, osalvador@suse.de Cc: yang.zhang.wz@gmail.com, pagupta@redhat.com, konrad.wilk@oracle.com, nitesh@redhat.com, riel@surriel.com, lcapitulino@redhat.com, wei.w.wang@intel.com, aarcange@redhat.com, ying.huang@intel.com, pbonzini@redhat.com, dan.j.williams@intel.com, fengguang.wu@intel.com, alexander.h.duyck@linux.intel.com, kirill.shutemov@linux.intel.com References: <20190907172225.10910.34302.stgit@localhost.localdomain> <20190907172545.10910.88045.stgit@localhost.localdomain> From: David Hildenbrand Openpgp: preference=signencrypt Autocrypt: addr=david@redhat.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190907172545.10910.88045.stgit@localhost.localdomain> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Mon, 09 Sep 2019 08:52:20 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07.09.19 19:25, Alexander Duyck wrote: > From: Alexander Duyck > > Move the static definition for things such as HUGETLB_PAGE_ORDER out of > asm/pgtable.h and place it in page-defs.h. By doing this the includes > become much easier to deal with as currently arm64 is the only architecture > that didn't include this definition in the asm/page.h file or a file > included by it. > > It also makes logical sense as PAGE_SHIFT was already defined in > page-defs.h so now we also have HPAGE_SHIFT defined there as well. > > Signed-off-by: Alexander Duyck > --- > arch/arm64/include/asm/page-def.h | 9 +++++++++ > arch/arm64/include/asm/pgtable.h | 9 --------- > 2 files changed, 9 insertions(+), 9 deletions(-) > > diff --git a/arch/arm64/include/asm/page-def.h b/arch/arm64/include/asm/page-def.h > index f99d48ecbeef..1c5b079e2482 100644 > --- a/arch/arm64/include/asm/page-def.h > +++ b/arch/arm64/include/asm/page-def.h > @@ -20,4 +20,13 @@ > #define CONT_SIZE (_AC(1, UL) << (CONT_SHIFT + PAGE_SHIFT)) > #define CONT_MASK (~(CONT_SIZE-1)) > > +/* > + * Hugetlb definitions. > + */ > +#define HUGE_MAX_HSTATE 4 > +#define HPAGE_SHIFT PMD_SHIFT > +#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT) > +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) > +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) > + I wonder if you should initially limit "config PAGE_REPORTING" to x86 only and unlock it for the other targets once we actually test it there. Or did you test PAGE_REPORTING on other architectures as well? -- Thanks, David / dhildenb