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 66B67C4321A for ; Fri, 28 Jun 2019 04:46:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A7002070D for ; Fri, 28 Jun 2019 04:46:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726673AbfF1EpH (ORCPT ); Fri, 28 Jun 2019 00:45:07 -0400 Received: from foss.arm.com ([217.140.110.172]:40226 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726420AbfF1EpG (ORCPT ); Fri, 28 Jun 2019 00:45:06 -0400 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 0E51F344; Thu, 27 Jun 2019 21:45:06 -0700 (PDT) Received: from p8cg001049571a15.blr.arm.com (p8cg001049571a15.blr.arm.com [10.162.40.144]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 3F65A3F706; Thu, 27 Jun 2019 21:45:02 -0700 (PDT) From: Anshuman Khandual To: linux-mm@kvack.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Mark Rutland , Tony Luck , Fenghua Yu , Dave Hansen , Andy Lutomirski , Andrew Morton , linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: [RFC 0/2] arm64: Enable vmemmap from device memory Date: Fri, 28 Jun 2019 10:14:41 +0530 Message-Id: <1561697083-7329-1-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series enables vmemmap mapping allocation from device memory ranges on arm64. Before that it enables vmemmap_populate_basepages() to accommodate struct vmem_altmap based requests. This series is based on linux next (next-20190613) along with v6 arm64 hot-remove series [1]. [1] https://lkml.org/lkml/2019/6/19/3 Cc: Catalin Marinas Cc: Will Deacon Cc: Mark Rutland Cc: Tony Luck Cc: Fenghua Yu Cc: Dave Hansen Cc: Andy Lutomirski Cc: Andrew Morton Cc: linux-arm-kernel@lists.infradead.org Cc: linux-ia64@vger.kernel.org Cc: x86@kernel.org Cc: linux-kernel@vger.kernel.org Anshuman Khandual (2): mm/sparsemem: Add vmem_altmap support in vmemmap_populate_basepages() arm64/mm: Enable device memory allocation and free for vmemmap mapping arch/arm64/mm/mmu.c | 57 +++++++++++++++++++++++++++++++----------------- arch/ia64/mm/discontig.c | 2 +- arch/x86/mm/init_64.c | 4 ++-- include/linux/mm.h | 5 +++-- mm/sparse-vmemmap.c | 16 +++++++++----- 5 files changed, 54 insertions(+), 30 deletions(-) -- 2.7.4