From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: From: Mike Rapoport Subject: [PATCH 0/9] Remove DISCINTIGMEM memory model Date: Wed, 2 Jun 2021 13:53:39 +0300 Message-Id: <20210602105348.13387-1-rppt@kernel.org> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org 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 From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Subject: [PATCH 0/9] Remove DISCINTIGMEM memory model Date: Wed, 2 Jun 2021 13:53:39 +0300 Message-ID: <20210602105348.13387-1-rppt@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622631239; bh=y04Os44exMBIW1Oj5as14/40OpMcFnf5BYhM91VeMF8=; h=From:To:Cc:Subject:Date:From; b=IEhFtfyiZrWl3O/lHICDDnQPCxbhh7le0oxMDdcE956zeFwuutavFE98cPQhAN3Tb MS+0z8cAJdIWUVI8O3sVG0JRS++QBslPsnJw+3KBzPzOGqhfnDKfhgG2E3lQUvkQgb U4HK86IALTVpok5dJHV5FJGv2u/pAI2+NR6w1EN3dv0kQ5VybgSLkvF/RWYfHfO8ld oSmL9cAeen9wXpQhbHyPbH7rQ2tDffpLdnha53qaZPiC2WS7D2aeJaOw5ziEvrDUkZ bz6vOk8nu9D6FUv1Ys08o5AILZj7Ue07McpXaWjgeCnhhfBDjcYc5GYcVel/pE6Mxt wIIpWqcVnlJmQ== List-ID: Content-Type: text/plain; charset="us-ascii" 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 From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 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=-14.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 898B7C4708F for ; Wed, 2 Jun 2021 10:54:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 72182613AE for ; Wed, 2 Jun 2021 10:54:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231187AbhFBKzn (ORCPT ); Wed, 2 Jun 2021 06:55:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:38344 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229745AbhFBKzm (ORCPT ); Wed, 2 Jun 2021 06:55:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A7462613B8; Wed, 2 Jun 2021 10:53:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622631239; bh=y04Os44exMBIW1Oj5as14/40OpMcFnf5BYhM91VeMF8=; h=From:To:Cc:Subject:Date:From; b=IEhFtfyiZrWl3O/lHICDDnQPCxbhh7le0oxMDdcE956zeFwuutavFE98cPQhAN3Tb MS+0z8cAJdIWUVI8O3sVG0JRS++QBslPsnJw+3KBzPzOGqhfnDKfhgG2E3lQUvkQgb U4HK86IALTVpok5dJHV5FJGv2u/pAI2+NR6w1EN3dv0kQ5VybgSLkvF/RWYfHfO8ld oSmL9cAeen9wXpQhbHyPbH7rQ2tDffpLdnha53qaZPiC2WS7D2aeJaOw5ziEvrDUkZ bz6vOk8nu9D6FUv1Ys08o5AILZj7Ue07McpXaWjgeCnhhfBDjcYc5GYcVel/pE6Mxt wIIpWqcVnlJmQ== 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 0/9] Remove DISCINTIGMEM memory model Date: Wed, 2 Jun 2021 13:53:39 +0300 Message-Id: <20210602105348.13387-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Date: Wed, 02 Jun 2021 10:53:39 +0000 Subject: [PATCH 0/9] Remove DISCINTIGMEM memory model Message-Id: <20210602105348.13387-1-rppt@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 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=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 5CE9AC47083 for ; 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h=From:To:Cc:Subject:Date:From; b=IEhFtfyiZrWl3O/lHICDDnQPCxbhh7le0oxMDdcE956zeFwuutavFE98cPQhAN3Tb MS+0z8cAJdIWUVI8O3sVG0JRS++QBslPsnJw+3KBzPzOGqhfnDKfhgG2E3lQUvkQgb U4HK86IALTVpok5dJHV5FJGv2u/pAI2+NR6w1EN3dv0kQ5VybgSLkvF/RWYfHfO8ld oSmL9cAeen9wXpQhbHyPbH7rQ2tDffpLdnha53qaZPiC2WS7D2aeJaOw5ziEvrDUkZ bz6vOk8nu9D6FUv1Ys08o5AILZj7Ue07McpXaWjgeCnhhfBDjcYc5GYcVel/pE6Mxt wIIpWqcVnlJmQ== 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 0/9] Remove DISCINTIGMEM memory model Date: Wed, 2 Jun 2021 13:53:39 +0300 Message-Id: <20210602105348.13387-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_035400_298470_1EA5291D X-CRM114-Status: GOOD ( 14.65 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 28AF9C47083 for ; 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h=From:To:Cc:Subject:Date:From; b=IEhFtfyiZrWl3O/lHICDDnQPCxbhh7le0oxMDdcE956zeFwuutavFE98cPQhAN3Tb MS+0z8cAJdIWUVI8O3sVG0JRS++QBslPsnJw+3KBzPzOGqhfnDKfhgG2E3lQUvkQgb U4HK86IALTVpok5dJHV5FJGv2u/pAI2+NR6w1EN3dv0kQ5VybgSLkvF/RWYfHfO8ld oSmL9cAeen9wXpQhbHyPbH7rQ2tDffpLdnha53qaZPiC2WS7D2aeJaOw5ziEvrDUkZ bz6vOk8nu9D6FUv1Ys08o5AILZj7Ue07McpXaWjgeCnhhfBDjcYc5GYcVel/pE6Mxt wIIpWqcVnlJmQ== 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 0/9] Remove DISCINTIGMEM memory model Date: Wed, 2 Jun 2021 13:53:39 +0300 Message-Id: <20210602105348.13387-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_035400_298470_1EA5291D X-CRM114-Status: GOOD ( 14.65 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc 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=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 D8356C47083 for ; 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spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=rppt@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=IEhFtfyi; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Fw5Vz5fJsz2xMw for ; Wed, 2 Jun 2021 20:54:03 +1000 (AEST) Received: by mail.kernel.org (Postfix) with ESMTPSA id A7462613B8; Wed, 2 Jun 2021 10:53:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622631239; bh=y04Os44exMBIW1Oj5as14/40OpMcFnf5BYhM91VeMF8=; h=From:To:Cc:Subject:Date:From; b=IEhFtfyiZrWl3O/lHICDDnQPCxbhh7le0oxMDdcE956zeFwuutavFE98cPQhAN3Tb MS+0z8cAJdIWUVI8O3sVG0JRS++QBslPsnJw+3KBzPzOGqhfnDKfhgG2E3lQUvkQgb U4HK86IALTVpok5dJHV5FJGv2u/pAI2+NR6w1EN3dv0kQ5VybgSLkvF/RWYfHfO8ld oSmL9cAeen9wXpQhbHyPbH7rQ2tDffpLdnha53qaZPiC2WS7D2aeJaOw5ziEvrDUkZ bz6vOk8nu9D6FUv1Ys08o5AILZj7Ue07McpXaWjgeCnhhfBDjcYc5GYcVel/pE6Mxt wIIpWqcVnlJmQ== From: Mike Rapoport To: Andrew Morton Subject: [PATCH 0/9] Remove DISCINTIGMEM memory model Date: Wed, 2 Jun 2021 13:53:39 +0300 Message-Id: <20210602105348.13387-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Jonathan Corbet , linux-doc@vger.kernel.org, Mike Rapoport , Geert Uytterhoeven , Matt Turner , linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, Arnd Bergmann , linux-m68k@lists.linux-m68k.org, Ivan Kokshaysky , linux-arm-kernel@lists.infradead.org, Richard Henderson , Vineet Gupta , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Mike Rapoport Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 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=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 E72E6C47092 for ; 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h=From:To:Cc:Subject:Date:From; b=IEhFtfyiZrWl3O/lHICDDnQPCxbhh7le0oxMDdcE956zeFwuutavFE98cPQhAN3Tb MS+0z8cAJdIWUVI8O3sVG0JRS++QBslPsnJw+3KBzPzOGqhfnDKfhgG2E3lQUvkQgb U4HK86IALTVpok5dJHV5FJGv2u/pAI2+NR6w1EN3dv0kQ5VybgSLkvF/RWYfHfO8ld oSmL9cAeen9wXpQhbHyPbH7rQ2tDffpLdnha53qaZPiC2WS7D2aeJaOw5ziEvrDUkZ bz6vOk8nu9D6FUv1Ys08o5AILZj7Ue07McpXaWjgeCnhhfBDjcYc5GYcVel/pE6Mxt wIIpWqcVnlJmQ== 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 0/9] Remove DISCINTIGMEM memory model Date: Wed, 2 Jun 2021 13:53:39 +0300 Message-Id: <20210602105348.13387-1-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_035400_298470_1EA5291D X-CRM114-Status: GOOD ( 14.65 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Mike Rapoport Hi, SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a (long) while ago. The last architectures that used DISCONTIGMEM were updated to use other memory models in v5.11 and it is about the time to entirely remove DISCONTIGMEM from the kernel. This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory model selection in mm/Kconfig and replaces usage of redundant CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA and CONFIG_FLATMEM respectively. I've also removed NUMA support on alpha that was BROKEN for more than 15 years. There were also minor updates all over arch/ to remove mentions of DISCONTIGMEM in comments and #ifdefs. Mike Rapoport (9): alpha: remove DISCONTIGMEM and NUMA arc: update comment about HIGHMEM implementation arc: remove support for DISCONTIGMEM m68k: remove support for DISCONTIGMEM mm: remove CONFIG_DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM docs: remove description of DISCONTIGMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Documentation/admin-guide/sysctl/vm.rst | 12 +- Documentation/vm/memory-model.rst | 45 +---- arch/alpha/Kconfig | 22 --- arch/alpha/include/asm/machvec.h | 6 - arch/alpha/include/asm/mmzone.h | 100 ----------- arch/alpha/include/asm/pgtable.h | 4 - arch/alpha/include/asm/topology.h | 39 ----- arch/alpha/kernel/core_marvel.c | 53 +----- arch/alpha/kernel/core_wildfire.c | 29 +-- arch/alpha/kernel/pci_iommu.c | 29 --- arch/alpha/kernel/proto.h | 8 - arch/alpha/kernel/setup.c | 16 -- arch/alpha/kernel/sys_marvel.c | 5 - arch/alpha/kernel/sys_wildfire.c | 5 - arch/alpha/mm/Makefile | 2 - arch/alpha/mm/init.c | 3 - arch/alpha/mm/numa.c | 223 ------------------------ arch/arc/Kconfig | 13 -- arch/arc/include/asm/mmzone.h | 40 ----- arch/arc/mm/init.c | 21 +-- arch/arm64/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/ia64/kernel/topology.c | 5 +- arch/ia64/mm/numa.c | 5 +- arch/m68k/Kconfig.cpu | 10 -- arch/m68k/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 33 ---- arch/m68k/mm/init.c | 20 --- arch/mips/Kconfig | 2 +- arch/mips/include/asm/mmzone.h | 8 +- arch/mips/include/asm/page.h | 2 +- arch/mips/mm/init.c | 7 +- arch/nds32/include/asm/memory.h | 6 - arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/mmzone.h | 4 +- arch/powerpc/kernel/setup_64.c | 2 +- arch/powerpc/kernel/smp.c | 2 +- arch/powerpc/kexec/core.c | 4 +- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/mem.c | 4 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/include/asm/mmzone.h | 4 +- arch/sh/kernel/topology.c | 2 +- arch/sh/mm/Kconfig | 2 +- arch/sh/mm/init.c | 2 +- arch/sparc/Kconfig | 2 +- arch/sparc/include/asm/mmzone.h | 4 +- arch/sparc/kernel/smp_64.c | 2 +- arch/sparc/mm/init_64.c | 12 +- arch/x86/Kconfig | 2 +- arch/x86/kernel/setup_percpu.c | 6 +- arch/x86/mm/init_32.c | 4 +- arch/xtensa/include/asm/page.h | 4 - include/asm-generic/memory_model.h | 37 +--- include/asm-generic/topology.h | 2 +- include/linux/gfp.h | 4 +- include/linux/memblock.h | 6 +- include/linux/mm.h | 4 +- include/linux/mmzone.h | 16 +- kernel/crash_core.c | 4 +- mm/Kconfig | 36 +--- mm/memblock.c | 8 +- mm/memory.c | 3 +- mm/page_alloc.c | 25 +-- mm/page_ext.c | 2 +- 66 files changed, 98 insertions(+), 898 deletions(-) delete mode 100644 arch/alpha/include/asm/mmzone.h delete mode 100644 arch/alpha/mm/numa.c delete mode 100644 arch/arc/include/asm/mmzone.h base-commit: c4681547bcce777daf576925a966ffa824edd09d -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel