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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 F22BBCA9EBB for ; Thu, 24 Oct 2019 16:46:29 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B61A621906 for ; Thu, 24 Oct 2019 16:46:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B61A621906 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=davemloft.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 60A4A6B000C; Thu, 24 Oct 2019 12:46:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5BAD86B000D; Thu, 24 Oct 2019 12:46:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4F9246B000E; Thu, 24 Oct 2019 12:46:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0214.hostedemail.com [216.40.44.214]) by kanga.kvack.org (Postfix) with ESMTP id 2A5016B000C for ; Thu, 24 Oct 2019 12:46:29 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id D1E7353B4 for ; Thu, 24 Oct 2019 16:46:28 +0000 (UTC) X-FDA: 76079256456.25.heat33_559fc34d94f2a X-HE-Tag: heat33_559fc34d94f2a X-Filterd-Recvd-Size: 2388 Received: from shards.monkeyblade.net (shards.monkeyblade.net [23.128.96.9]) by imf05.hostedemail.com (Postfix) with ESMTP for ; Thu, 24 Oct 2019 16:46:28 +0000 (UTC) Received: from localhost (unknown [IPv6:2601:601:9f00:1e2::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 31E891477CBB0; Thu, 24 Oct 2019 09:46:26 -0700 (PDT) Date: Thu, 24 Oct 2019 09:46:23 -0700 (PDT) Message-Id: <20191024.094623.2182520936177775102.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@kernel.org, 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, akpm@linux-foundation.org, sparclinux@vger.kernel.org Subject: Re: [PATCH v13 09/22] sparc: mm: Add p?d_leaf() definitions From: David Miller In-Reply-To: <20191024093716.49420-10-steven.price@arm.com> References: <20191024093716.49420-1-steven.price@arm.com> <20191024093716.49420-10-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]); Thu, 24 Oct 2019 09:46:26 -0700 (PDT) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Steven Price Date: Thu, 24 Oct 2019 10:37:03 +0100 > 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_leaf() functions/macros. > > For sparc 64 bit, pmd_large() and pud_large() are already provided, so > add macros to provide the p?d_leaf names required by the generic code. > > CC: "David S. Miller" > CC: sparclinux@vger.kernel.org > Signed-off-by: Steven Price Acked-by: David S. Miller