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 A0473C433DB for ; Fri, 29 Jan 2021 07:39:51 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 24FFE64E00 for ; Fri, 29 Jan 2021 07:39:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24FFE64E00 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 2C23D6B0005; Fri, 29 Jan 2021 02:39:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 272ED6B0006; Fri, 29 Jan 2021 02:39:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1879A6B006C; Fri, 29 Jan 2021 02:39:50 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0141.hostedemail.com [216.40.44.141]) by kanga.kvack.org (Postfix) with ESMTP id 03BE26B0005 for ; Fri, 29 Jan 2021 02:39:49 -0500 (EST) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id BADA13642 for ; Fri, 29 Jan 2021 07:39:49 +0000 (UTC) X-FDA: 77758013298.26.bird45_0d0fcd3275a6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin26.hostedemail.com (Postfix) with ESMTP id 95F711804B65C for ; Fri, 29 Jan 2021 07:39:49 +0000 (UTC) X-HE-Tag: bird45_0d0fcd3275a6 X-Filterd-Recvd-Size: 2756 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf48.hostedemail.com (Postfix) with ESMTP for ; Fri, 29 Jan 2021 07:39:48 +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 3C2BE13D5; Thu, 28 Jan 2021 23:39:48 -0800 (PST) Received: from p8cg001049571a15.arm.com (unknown [10.163.92.245]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 2DC4F3F719; Thu, 28 Jan 2021 23:39:42 -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 Subject: [PATCH 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory Date: Fri, 29 Jan 2021 13:09:44 +0530 Message-Id: <1611905986-20155-1-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 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 v5.11-rc5. Question - should pfn_section_valid() be tested both for boot and non boo= t memory as well ? 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: linux-arm-kernel@lists.infradead.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Changes in V1: - 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 | 46 +++++++++++++++++++++++++++++++++++++++----- 1 file changed, 41 insertions(+), 5 deletions(-) --=20 2.20.1