Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp4755998pxu; Mon, 21 Dec 2020 23:13:42 -0800 (PST) X-Google-Smtp-Source: ABdhPJzcYPdhTpRbI+YSIzCmx9TMfDHFxjfi3AxTXZj5qv5/V+QEu0IDKDt2I0BRNP/J3z7Nh4Nj X-Received: by 2002:a50:e78b:: with SMTP id b11mr19039426edn.165.1608621222673; Mon, 21 Dec 2020 23:13:42 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1608621222; cv=none; d=google.com; s=arc-20160816; b=nDw0V1oX2wL44juD1OoM+xTAP1L3P/BjSeZESR4thH9CE8OspNpLzecMeUaojkvqdT ZdaZ1J6AehCVP/CA6U72Gd1VjY5N8/W7Lv/ufBBxVAxWeurpn1Ui1+Ee9qx4fW92YSSE vp7R7eKXg2j+OAnfuRBls7n+XWvnVH/fLdUMCKmnaDpBIt7Sy27SkU2YaLM2FZfF5Ms/ sD02LslFC8Qnzk1NS8aKH3Jk3oqsQR+9vZAftjKD44qYGnPodjS1zqticKRFVF5hMkF/ 2XLDeJPXfyLqbgiMBHf43JTY8FvhRMNkdqkTvB+zRnwBy+LCYL9ZvoMneajgCFBh37gL o44Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=Qy9gg4bp3+MZILN70ARkqwYEtEsEPUscp28GgEMwhOU=; b=kwo41ovI6LiUk5Jk972HRQX+yOv+K/CAe8MOqAQVOQG11qh9xs51hZQkaQJHbkokUh VUmFhi7DmHxaU53xwSs2P34IgmB2XQb6R2T+LiSfWRW8BPpybAo1Y0P9hbjlPJDISrGj B7qQQlB9VGfJT1i8/+3RYghSYqD68LunFU+pt1WwTJpy7obXNW4x8WsgwEn4BjH91t+b vDqaNPeXqbHF1QUcb6dMkfSTVPBLoZEM9VJ0oszfn2CSs9FvOy03wn6Qs3HUetjM49n0 kfAcnm1cv8LMFftbklmPlDIyZKjoXOyVUHS+6yNcT8h3tIFjLKM7HLeZGHL0lvxoPBpc A22w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id op2si10677669ejb.484.2020.12.21.23.13.20; Mon, 21 Dec 2020 23:13:42 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726129AbgLVHNJ (ORCPT + 99 others); Tue, 22 Dec 2020 02:13:09 -0500 Received: from foss.arm.com ([217.140.110.172]:60728 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726111AbgLVHNJ (ORCPT ); Tue, 22 Dec 2020 02:13:09 -0500 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 C4FB130E; Mon, 21 Dec 2020 23:12:23 -0800 (PST) Received: from p8cg001049571a15.arm.com (unknown [10.163.86.150]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 2CBCE3F718; Mon, 21 Dec 2020 23:12:19 -0800 (PST) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: catalin.marinas@arm.com, will@kernel.org, ardb@kernel.org, Anshuman Khandual , Mark Rutland , James Morse , Robin Murphy , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Dan Williams , David Hildenbrand Subject: [RFC 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVIE based memory Date: Tue, 22 Dec 2020 12:42:22 +0530 Message-Id: <1608621144-4001-1-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: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series fixes pfn_valid() for ZONE_DEVICE based memory and also improves its performance for normal hotplug memory. While here, it also reorganizes pfn_valid() on CONFIG_SPARSEMEM. This series has been slightly tested on the current mainline tree. Cc: Catalin Marinas Cc: Will Deacon Cc: Ard Biesheuvel Cc: Mark Rutland Cc: James Morse Cc: Robin Murphy Cc: Jérôme Glisse Cc: Dan Williams Cc: David Hildenbrand Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org 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(-) -- 2.20.1