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=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,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 35A72C47083 for ; Wed, 2 Jun 2021 10:54:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id DF2BB613BF for ; Wed, 2 Jun 2021 10:54:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF2BB613BF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 875DF6B0073; Wed, 2 Jun 2021 06:54:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 826276B0074; Wed, 2 Jun 2021 06:54:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6A08D6B0075; Wed, 2 Jun 2021 06:54:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0217.hostedemail.com [216.40.44.217]) by kanga.kvack.org (Postfix) with ESMTP id 365986B0073 for ; Wed, 2 Jun 2021 06:54:21 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id BFBA6181AC9B6 for ; Wed, 2 Jun 2021 10:54:20 +0000 (UTC) X-FDA: 78208474680.06.0243870 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf12.hostedemail.com (Postfix) with ESMTP id AECEB42F for ; Wed, 2 Jun 2021 10:54:02 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 7E38A613B8; Wed, 2 Jun 2021 10:54:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622631259; bh=wiXTn//eiKgcS7LspEevBm9W4ghqhPpXnabDtNpHAWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aenRwMba72rCI0f0+YNCvpuF+B89DZZZcNy9A9qwZOX6ztizS+NE4FPYA+R2Z5DXy QYv8+KSCh6yjWLYdBikUAv7ieP4WMTl94vBwxzbYcnCTRTAGBIyKSVSP2gQG/05lMD +DwqtVWXRXNkgKAw56m8CW6AJoabI3YW+EfCfTd9lrYhPayUhA0fOCDd0Yyijv33ox /sBbmXZ8VZZpnfRgcKD9Jbkqxyp1ZCAEGc0kCUIWKXx5LhlqP653x+i94BLo0J2/Kb PvtG19vRg2yFN7Z8DuxiaI0hWRcGrZDHaooM5xN0EpA7pMJUV4VvTcv6PXqzg7KKfh G7quvwCN3TybQ== From: Mike Rapoport To: Andrew Morton Cc: Arnd Bergmann , Geert Uytterhoeven , Ivan Kokshaysky , Jonathan Corbet , Matt Turner , Mike Rapoport , Mike Rapoport , Richard Henderson , Vineet Gupta , kexec@lists.infradead.org, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org Subject: [PATCH 3/9] arc: remove support for DISCONTIGMEM Date: Wed, 2 Jun 2021 13:53:42 +0300 Message-Id: <20210602105348.13387-4-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210602105348.13387-1-rppt@kernel.org> References: <20210602105348.13387-1-rppt@kernel.org> MIME-Version: 1.0 Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aenRwMba; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf12.hostedemail.com: domain of rppt@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=rppt@kernel.org X-Stat-Signature: pm6e6fx6838zu7d6ibq4tbyhyjchmrss X-Rspamd-Queue-Id: AECEB42F X-Rspamd-Server: rspam02 X-HE-Tag: 1622631242-144575 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: From: Mike Rapoport DISCONTIGMEM was replaced by FLATMEM with freeing of the unused memory ma= p in v5.11. Remove the support for DISCONTIGMEM entirely. Signed-off-by: Mike Rapoport --- arch/arc/Kconfig | 13 ------------ arch/arc/include/asm/mmzone.h | 40 ----------------------------------- arch/arc/mm/init.c | 8 ------- 3 files changed, 61 deletions(-) delete mode 100644 arch/arc/include/asm/mmzone.h diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 2d98501c0897..d8f51eb8963b 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -62,10 +62,6 @@ config SCHED_OMIT_FRAME_POINTER config GENERIC_CSUM def_bool y =20 -config ARCH_DISCONTIGMEM_ENABLE - def_bool n - depends on BROKEN - config ARCH_FLATMEM_ENABLE def_bool y =20 @@ -344,15 +340,6 @@ config ARC_HUGEPAGE_16M =20 endchoice =20 -config NODES_SHIFT - int "Maximum NUMA Nodes (as a power of 2)" - default "0" if !DISCONTIGMEM - default "1" if DISCONTIGMEM - depends on NEED_MULTIPLE_NODES - help - Accessing memory beyond 1GB (with or w/o PAE) requires 2 memory - zones. - config ARC_COMPACT_IRQ_LEVELS depends on ISA_ARCOMPACT bool "Setup Timer IRQ as high Priority" diff --git a/arch/arc/include/asm/mmzone.h b/arch/arc/include/asm/mmzone.= h deleted file mode 100644 index b86b9d1e54dc..000000000000 --- a/arch/arc/include/asm/mmzone.h +++ /dev/null @@ -1,40 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) - */ - -#ifndef _ASM_ARC_MMZONE_H -#define _ASM_ARC_MMZONE_H - -#ifdef CONFIG_DISCONTIGMEM - -extern struct pglist_data node_data[]; -#define NODE_DATA(nid) (&node_data[nid]) - -static inline int pfn_to_nid(unsigned long pfn) -{ - int is_end_low =3D 1; - - if (IS_ENABLED(CONFIG_ARC_HAS_PAE40)) - is_end_low =3D pfn <=3D virt_to_pfn(0xFFFFFFFFUL); - - /* - * node 0: lowmem: 0x8000_0000 to 0xFFFF_FFFF - * node 1: HIGHMEM w/o PAE40: 0x0 to 0x7FFF_FFFF - * HIGHMEM with PAE40: 0x1_0000_0000 to ... - */ - if (pfn >=3D ARCH_PFN_OFFSET && is_end_low) - return 0; - - return 1; -} - -static inline int pfn_valid(unsigned long pfn) -{ - int nid =3D pfn_to_nid(pfn); - - return (pfn <=3D node_end_pfn(nid)); -} -#endif /* CONFIG_DISCONTIGMEM */ - -#endif diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c index 397a201adfe3..abfeef7bf6f8 100644 --- a/arch/arc/mm/init.c +++ b/arch/arc/mm/init.c @@ -32,11 +32,6 @@ unsigned long arch_pfn_offset; EXPORT_SYMBOL(arch_pfn_offset); #endif =20 -#ifdef CONFIG_DISCONTIGMEM -struct pglist_data node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL(node_data); -#endif - long __init arc_get_mem_sz(void) { return low_mem_sz; @@ -147,9 +142,6 @@ void __init setup_arch_memory(void) * to the hole is freed and ARC specific version of pfn_valid() * handles the hole in the memory map. */ -#ifdef CONFIG_DISCONTIGMEM - node_set_online(1); -#endif =20 min_high_pfn =3D PFN_DOWN(high_mem_start); max_high_pfn =3D PFN_DOWN(high_mem_start + high_mem_sz); --=20 2.28.0