From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 32E841474A2 for ; Wed, 7 Aug 2024 20:59:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723064382; cv=none; b=SsQVDsL9xnECB2KkFbkoe8FM81S9LaBifyqT0FyKw87TMqF4jKzTcJi3XJX3BOcYgA7+fCZMx4aMstsEhgVZSIP66XRxyC3erPQ1xnDJ8aBoGG1ppyH2nx1z4zJLOJu6z+dUYbzllvtL6z0c23uen1CgScZuq48W2UjaAH3+sGw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723064382; c=relaxed/simple; bh=SpBEsoZ6Yn9fchplFEUTbvbEGSbEk4HSU99ImCIPdQ0=; h=Date:To:From:Subject:Message-Id; b=oKuM7KOJnrhqH4bWplc+namT2vPvMZR/dulfCPWLs+TpSU5/cCXw8vl8ZVXT/GAEITPVNhRwjoPzD4oCgqFxH2yerF3+uGuEXq39F3IoIwkU74YIzUp7OjHsbMhI7RpEMaugbtwm1gdZ+pkY6b1ByQDsDH6fZ+nuEE36zKqRREA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=gqy9yw05; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="gqy9yw05" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2AD1C32781; Wed, 7 Aug 2024 20:59:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1723064382; bh=SpBEsoZ6Yn9fchplFEUTbvbEGSbEk4HSU99ImCIPdQ0=; h=Date:To:From:Subject:From; b=gqy9yw058sMQqm2oHkkzDBNYwjCDOjgusS3dNjsv4m15Jsq6guA5pfpEoemJZKQp6 RJc7UUeJ7SAKBFSGS7t7jJ7F3myPk0ll/Rq/VFypeoh18mKJSFYSnouz+/houG91mf ssUs6hE/XGVWSGPMmKHGTqqeM05WSKEhsXavJmnQ= Date: Wed, 07 Aug 2024 13:59:41 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,will@kernel.org,tsbogend@alpha.franken.de,tglx@linutronix.de,samuel.holland@sifive.com,robh@kernel.org,rafael@kernel.org,palmer@dabbelt.com,mpe@ellerman.id.au,mingo@redhat.com,Jonathan.Cameron@huawei.com,jiaxun.yang@flygoat.com,hca@linux.ibm.com,gregkh@linuxfoundation.org,gor@linux.ibm.com,glaubitz@physik.fu-berlin.de,david@redhat.com,dave@stgolabs.net,davem@davemloft.net,dave.hansen@linux.intel.com,dan.j.williams@intel.com,corbet@lwn.net,christophe.leroy@csgroup.eu,chenhuacai@kernel.org,catalin.marinas@arm.com,bp@alien8.de,arnd@arndb.de,andreas@gaisler.com,agordeev@linux.ibm.com,rppt@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + docs-move-numa=fake-description-to-kernel-parameterstxt.patch added to mm-unstable branch Message-Id: <20240807205941.C2AD1C32781@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: docs: move numa=fake description to kernel-parameters.txt has been added to the -mm mm-unstable branch. Its filename is docs-move-numa=fake-description-to-kernel-parameterstxt.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/docs-move-numa=fake-description-to-kernel-parameterstxt.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Mike Rapoport (Microsoft)" Subject: docs: move numa=fake description to kernel-parameters.txt Date: Wed, 7 Aug 2024 09:41:10 +0300 NUMA emulation can be now enabled on arm64 and riscv in addition to x86. Move description of numa=fake parameters from x86 documentation of admin-guide/kernel-parameters.txt Link: https://lkml.kernel.org/r/20240807064110.1003856-27-rppt@kernel.org Suggested-by: Zi Yan Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Jonathan Cameron Tested-by: Jonathan Cameron [arm64 + CXL via QEMU] Acked-by: Dan Williams Acked-by: David Hildenbrand Cc: Alexander Gordeev Cc: Andreas Larsson Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Catalin Marinas Cc: Christophe Leroy Cc: Dave Hansen Cc: Davidlohr Bueso Cc: David S. Miller Cc: Greg Kroah-Hartman Cc: Heiko Carstens Cc: Huacai Chen Cc: Ingo Molnar Cc: Jiaxun Yang Cc: John Paul Adrian Glaubitz Cc: Jonathan Corbet Cc: Michael Ellerman Cc: Palmer Dabbelt Cc: Rafael J. Wysocki Cc: Rob Herring (Arm) Cc: Samuel Holland Cc: Thomas Bogendoerfer Cc: Thomas Gleixner Cc: Vasily Gorbik Cc: Will Deacon Signed-off-by: Andrew Morton --- Documentation/admin-guide/kernel-parameters.txt | 15 ++++++++++++++ Documentation/arch/x86/x86_64/boot-options.rst | 12 ----------- 2 files changed, 15 insertions(+), 12 deletions(-) --- a/Documentation/admin-guide/kernel-parameters.txt~docs-move-numa=fake-description-to-kernel-parameterstxt +++ a/Documentation/admin-guide/kernel-parameters.txt @@ -4123,6 +4123,21 @@ Disable NUMA, Only set up a single NUMA node spanning all memory. + numa=fake=[MG] + [KNL, ARM64, RISCV, X86, EARLY] + If given as a memory unit, fills all system RAM with + nodes of size interleaved over physical nodes. + + numa=fake= + [KNL, ARM64, RISCV, X86, EARLY] + If given as an integer, fills all system RAM with N + fake nodes interleaved over physical nodes. + + numa=fake=U + [KNL, ARM64, RISCV, X86, EARLY] + If given as an integer followed by 'U', it will + divide each physical node into N emulated nodes. + numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic NUMA balancing. Allowed values are enable and disable --- a/Documentation/arch/x86/x86_64/boot-options.rst~docs-move-numa=fake-description-to-kernel-parameterstxt +++ a/Documentation/arch/x86/x86_64/boot-options.rst @@ -170,18 +170,6 @@ NUMA Don't parse the HMAT table for NUMA setup, or soft-reserved memory partitioning. - numa=fake=[MG] - If given as a memory unit, fills all system RAM with nodes of - size interleaved over physical nodes. - - numa=fake= - If given as an integer, fills all system RAM with N fake nodes - interleaved over physical nodes. - - numa=fake=U - If given as an integer followed by 'U', it will divide each - physical node into N emulated nodes. - ACPI ==== _ Patches currently in -mm which might be from rppt@kernel.org are mm-move-kernel-numac-to-mm.patch mips-sgi-ip27-make-node_data-the-same-as-on-all-other-architectures.patch mips-sgi-ip27-ensure-node_possible_map-only-contains-valid-nodes.patch mips-sgi-ip27-drop-have_arch_nodedata_extension.patch mips-loongson64-rename-__node_data-to-node_data.patch mips-loongson64-drop-have_arch_nodedata_extension.patch arch-mm-move-definition-of-node_data-to-generic-code.patch mm-drop-config_have_arch_nodedata_extension.patch arch-mm-pull-out-allocation-of-node_data-to-generic-code.patch x86-numa-simplify-numa_distance-allocation.patch x86-numa-use-get_pfn_range_for_nid-to-verify-that-node-spans-memory.patch x86-numa-move-fake_node_-defines-to-numa_emu.patch x86-numa_emu-simplify-allocation-of-phys_dist.patch x86-numa_emu-split-__apicid_to_node-update-to-a-helper-function.patch x86-numa_emu-use-a-helper-function-to-get-max_dma32_pfn.patch x86-numa-numa_addremove_cpu-make-cpu-parameter-unsigned.patch mm-introduce-numa_memblks.patch mm-move-numa_distance-and-related-code-from-x86-to-numa_memblks.patch mm-introduce-numa_emulation.patch mm-numa_memblks-introduce-numa_memblks_init.patch mm-numa_memblks-make-several-functions-and-variables-static.patch mm-numa_memblks-use-memblock_startend_of_dram-when-sanitizing-meminfo.patch of-numa-return-einval-when-no-numa-node-id-is-found.patch arch_numa-switch-over-to-numa_memblks.patch arch_numa-switch-over-to-numa_memblks-fix.patch mm-make-range-to-target_node-lookup-facility-a-part-of-numa_memblks.patch docs-move-numa=fake-description-to-kernel-parameterstxt.patch