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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2730BC433E0 for ; Fri, 5 Mar 2021 05:24:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 991DE65015 for ; Fri, 5 Mar 2021 05:24:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 991DE65015 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C28D86B0005; Fri, 5 Mar 2021 00:24:38 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C00F16B0007; Fri, 5 Mar 2021 00:24:38 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AC8DE6B0008; Fri, 5 Mar 2021 00:24:38 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0042.hostedemail.com [216.40.44.42]) by kanga.kvack.org (Postfix) with ESMTP id 909966B0005 for ; Fri, 5 Mar 2021 00:24:38 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 3F506180AE7E1 for ; Fri, 5 Mar 2021 05:24:38 +0000 (UTC) X-FDA: 77884680636.06.E515B2A Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf28.hostedemail.com (Postfix) with ESMTP id 299EC2000381 for ; Fri, 5 Mar 2021 05:24:38 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id CA5E131B; Thu, 4 Mar 2021 21:24:36 -0800 (PST) Received: from p8cg001049571a15.arm.com (unknown [10.163.68.69]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 791283F73B; Thu, 4 Mar 2021 21:24:30 -0800 (PST) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Ard Biesheuvel , Mark Rutland , James Morse , Robin Murphy , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Dan Williams , David Hildenbrand , Mike Rapoport , Veronika Kabatova Subject: [PATCH V3 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Date: Fri, 5 Mar 2021 10:54:56 +0530 Message-Id: <1614921898-4099-1-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Stat-Signature: ndweufrr1depweqcd8qpazywiswohdrk X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 299EC2000381 Received-SPF: none (arm.com>: No applicable sender policy available) receiver=imf28; identity=mailfrom; envelope-from=""; helo=foss.arm.com; client-ip=217.140.110.172 X-HE-DKIM-Result: none/none X-HE-Tag: 1614921878-269079 Content-Transfer-Encoding: quoted-printable 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: This series fixes pfn_valid() for ZONE_DEVICE based memory and also impro= ves its performance for normal hotplug memory. While here, it also reorganize= s pfn_valid() on CONFIG_SPARSEMEM. This series is based on v5.12-rc1. Cc: Catalin Marinas Cc: Will Deacon Cc: Ard Biesheuvel Cc: Mark Rutland Cc: James Morse Cc: Robin Murphy Cc: J=C3=A9r=C3=B4me Glisse Cc: Dan Williams Cc: David Hildenbrand Cc: Mike Rapoport Cc: Veronika Kabatova Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Changes in V3: - Validate the pfn before fetching mem_section with __pfn_to_section() in= [PATCH 2/2] Changes in V2: https://lore.kernel.org/linux-mm/1612239114-28428-1-git-send-email-anshum= an.khandual@arm.com/ - Dropped pfn_valid() bifurcation based on CONFIG_SPARSEMEM - Used PFN_PHYS() and PHYS_PFN() instead of __pfn_to_phys() and __phys_to= _pfn() - Moved __pfn_to_section() inside #ifdef CONFIG_SPARSEMEM with a { } cons= truct Changes in V1: https://lore.kernel.org/linux-mm/1611905986-20155-1-git-send-email-anshum= an.khandual@arm.com/ - Test pfn_section_valid() for non boot memory Changes in RFC: https://lore.kernel.org/linux-arm-kernel/1608621144-4001-1-git-send-email= -anshuman.khandual@arm.com/ Anshuman Khandual (2): arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory arm64/mm: Reorganize pfn_valid() arch/arm64/mm/init.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) --=20 2.20.1