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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 BAA37C43381 for ; Wed, 6 Mar 2019 19:02:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F62120657 for ; Wed, 6 Mar 2019 19:02:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730364AbfCFTC0 (ORCPT ); Wed, 6 Mar 2019 14:02:26 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:39344 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730344AbfCFTCZ (ORCPT ); Wed, 6 Mar 2019 14:02:25 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 610A7105D26D5; Wed, 6 Mar 2019 11:02:24 -0800 (PST) Date: Wed, 06 Mar 2019 11:02:23 -0800 (PST) Message-Id: <20190306.110223.879768694292631517.davem@davemloft.net> To: steven.price@arm.com Cc: linux-mm@kvack.org, luto@kernel.org, ard.biesheuvel@linaro.org, arnd@arndb.de, bp@alien8.de, catalin.marinas@arm.com, dave.hansen@linux.intel.com, mingo@redhat.com, james.morse@arm.com, jglisse@redhat.com, peterz@infradead.org, tglx@linutronix.de, will.deacon@arm.com, x86@kernel.org, hpa@zytor.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark.Rutland@arm.com, kan.liang@linux.intel.com, sparclinux@vger.kernel.org Subject: Re: [PATCH v4 07/19] sparc: mm: Add p?d_large() definitions From: David Miller In-Reply-To: <20190306155031.4291-8-steven.price@arm.com> References: <20190306155031.4291-1-steven.price@arm.com> <20190306155031.4291-8-steven.price@arm.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 06 Mar 2019 11:02:25 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Steven Price Date: Wed, 6 Mar 2019 15:50:19 +0000 > walk_page_range() is going to be allowed to walk page tables other than > those of user space. For this it needs to know when it has reached a > 'leaf' entry in the page tables. This information is provided by the > p?d_large() functions/macros. > > For sparc 64 bit, pmd_large() and pud_large() are already provided, so > add #defines to prevent the generic versions (added in a later patch) > from being used. > > CC: "David S. Miller" > CC: sparclinux@vger.kernel.org > Signed-off-by: Steven Price Acked-by: David S. Miller