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,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 AD1CBC3F2D7 for ; Wed, 4 Mar 2020 14:10:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 72D7B2166E for ; Wed, 4 Mar 2020 14:10:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 72D7B2166E Authentication-Results: mail.kernel.org; dmarc=none (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 000E96B0003; Wed, 4 Mar 2020 09:10:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id F1AE96B0005; Wed, 4 Mar 2020 09:10:53 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E31BE6B0006; Wed, 4 Mar 2020 09:10:53 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0222.hostedemail.com [216.40.44.222]) by kanga.kvack.org (Postfix) with ESMTP id CA9886B0003 for ; Wed, 4 Mar 2020 09:10:53 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 6ABE3D38 for ; Wed, 4 Mar 2020 14:10:53 +0000 (UTC) X-FDA: 76557865986.14.gate63_7b44f3699c0b X-HE-Tag: gate63_7b44f3699c0b X-Filterd-Recvd-Size: 4260 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf42.hostedemail.com (Postfix) with ESMTP for ; Wed, 4 Mar 2020 14:10:52 +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 0000A31B; Wed, 4 Mar 2020 06:10:51 -0800 (PST) Received: from p8cg001049571a15.arm.com (unknown [10.163.1.88]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id EDD503F6CF; Wed, 4 Mar 2020 06:10:44 -0800 (PST) From: Anshuman Khandual To: linux-mm@kvack.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Tony Luck , Fenghua Yu , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , David Hildenbrand , Mike Rapoport , Michal Hocko , "Matthew Wilcox (Oracle)" , "Kirill A. Shutemov" , Andrew Morton , Dan Williams , Pavel Tatashin , linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 0/2] arm64: Enable vmemmap mapping from device memory Date: Wed, 4 Mar 2020 19:40:28 +0530 Message-Id: <1583331030-7335-1-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 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 enables vmemmap backing memory allocation from device memory ranges on arm64. But before that, it enables vmemmap_populate_basepages() to accommodate struct vmem_altmap based requests. This series applies after latest (v14) arm64 memory hot remove series (https://lkml.org/lkml/2020/3/3/1746) on Linux 5.6-rc4. Changes in V2: - Rebased on latest hot-remove series (v14) adding P4D page table support Changes in V1: (https://lkml.org/lkml/2020/1/23/12) - Added an WARN_ON() in unmap_hotplug_range() when altmap is provided without the page table backing memory being freed Changes in RFC V2: (https://lkml.org/lkml/2019/10/21/11) - Changed the commit message on 1/2 patch per Will - Changed the commit message on 2/2 patch as well - Rebased on arm64 memory hot remove series (v10) RFC V1: (https://lkml.org/lkml/2019/6/28/32) Cc: Catalin Marinas Cc: Will Deacon Cc: Mark Rutland Cc: Paul Walmsley Cc: Palmer Dabbelt Cc: Tony Luck Cc: Fenghua Yu Cc: Dave Hansen Cc: Andy Lutomirski Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Ingo Molnar Cc: David Hildenbrand Cc: Mike Rapoport Cc: Michal Hocko Cc: "Matthew Wilcox (Oracle)" Cc: "Kirill A. Shutemov" Cc: Andrew Morton Cc: Dan Williams Cc: Pavel Tatashin Cc: linux-arm-kernel@lists.infradead.org Cc: linux-ia64@vger.kernel.org Cc: linux-riscv@lists.infradead.org Cc: x86@kernel.org Cc: linux-kernel@vger.kernel.org Anshuman Khandual (2): mm/sparsemem: Enable vmem_altmap support in vmemmap_populate_basepages() arm64/mm: Enable vmem_altmap support for vmemmap mappings arch/arm64/mm/mmu.c | 71 +++++++++++++++++++++++++++++----------- arch/ia64/mm/discontig.c | 2 +- arch/riscv/mm/init.c | 2 +- arch/x86/mm/init_64.c | 6 ++-- include/linux/mm.h | 5 +-- mm/sparse-vmemmap.c | 16 ++++++--- 6 files changed, 70 insertions(+), 32 deletions(-) -- 2.20.1