From patchwork Fri Jun 4 06:49:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 12298889 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 2F83FC47083 for ; Fri, 4 Jun 2021 06:53:16 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F3FF3613EC for ; Fri, 4 Jun 2021 06:53:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F3FF3613EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xM4cdhYQeaf5bd9QI8ql56HD76MbrveeYOUGL4M5tWU=; b=jgPTpj/4shFwT6 QhLuj6xu6RGjEtj0Z7jVVMjtkqFYju4xl4sNIyYfvzmlztv+if0CIXyRQV6y47zEMl0EaiaBFDW1N 974s/sbfuMxtZeJcjPCaxBCrG+2i0+NmSr4ilmYAxSeDRvyIs1hpcQU5NQuxngr9rUEzF+qGQiEJW NbNY0qWF0J1X5cA8yotQyWAXBHX/sXaAXUScPIemQhcP6xxrcVyoTRFSiTmkmIPqjiJa/PRErcZcd dwka/AbcKzkUuOZyad9ND9URWoWg5SOkQvtNKSGSq5sYUqdXlVB2jS+YJbJknUGESjAKLJpttjndS 711UmKktknn4XTEehrLw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lp3fo-00Bodj-Id; Fri, 04 Jun 2021 06:51:17 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lp3eP-00Bnl9-6l; Fri, 04 Jun 2021 06:49:54 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7B51361418; Fri, 4 Jun 2021 06:49:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622789388; bh=wiXTn//eiKgcS7LspEevBm9W4ghqhPpXnabDtNpHAWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dI1y+7b/vyw0B8MjOjQoBmAZDR44s/j/eSMm0CRzwdKcSBnXN1/ft4uXUdeZOOUaa 4gPEgqKkXCmL+Spuoo55Cd2vZvVzK9uTJPXuPO6KOe9F56YYvXJJAREJO6EfmrUFDF 0IZUnGhKCeXyi6AVF7c3ft0L95jdX1TUgbMjS8BZqYpfVKbC9wY/jIiQ8aDy88ikx/ Qk1PuQn8X384s3rNeEbO2co+fX/f7Z53TNxUc7WD4d2WjGx/m1HGSFjSOlUbnfnQ+G 0Ghqc/9r+bZe8APJP0JFwn/dOCLpqGZikz6H0Au+u7evsWyXG9iySLpRc7cfWzb0km 7X1vLFCkJhFYg== 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 v2 3/9] arc: remove support for DISCONTIGMEM Date: Fri, 4 Jun 2021 09:49:10 +0300 Message-Id: <20210604064916.26580-4-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210604064916.26580-1-rppt@kernel.org> References: <20210604064916.26580-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210603_234949_326079_072C5E90 X-CRM114-Status: GOOD ( 14.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Mike Rapoport DISCONTIGMEM was replaced by FLATMEM with freeing of the unused memory map in v5.11. Remove the support for DISCONTIGMEM entirely. Signed-off-by: Mike Rapoport Acked-by: Vineet Gupta --- 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 -config ARCH_DISCONTIGMEM_ENABLE - def_bool n - depends on BROKEN - config ARCH_FLATMEM_ENABLE def_bool y @@ -344,15 +340,6 @@ config ARC_HUGEPAGE_16M endchoice -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 = 1; - - if (IS_ENABLED(CONFIG_ARC_HAS_PAE40)) - is_end_low = pfn <= 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 >= ARCH_PFN_OFFSET && is_end_low) - return 0; - - return 1; -} - -static inline int pfn_valid(unsigned long pfn) -{ - int nid = pfn_to_nid(pfn); - - return (pfn <= 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 -#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 min_high_pfn = PFN_DOWN(high_mem_start); max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz);