From patchwork Thu Aug 1 06:08:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13749797 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 12EB3157A61; Thu, 1 Aug 2024 06:13:50 +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=1722492831; cv=none; b=lhP7zkFDDrjWakGcX/AhiRwpMFOf/TJPEEzyu+oWJKYJdDnSxpuCb2E3miV5SZUUfp4ikjSXSKuihwRKAYyN0uWbdPTpd+oxm9OAMF7H4qzvyRBRMz1kxV9N4R/0MIilawgbG+kvSq6jXkFXdXn7OzMs5E018D66v3e9FjRLPoI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722492831; c=relaxed/simple; bh=2z4bHnWIWcvxAiFTLgSYfPcGY4CSFltdU+BtR9hEENA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BsHMjGs1DPreEDY+ebC1gSMGjxZotK3FF9xWXvYGcfT/Sn8dk7Gg9GD6X3e7W2vcUMfQodFT5gQLYi/u+t3NYKUJQgOjxZYqDXmL9rc43BC85nramEy7QmDZNnqGh6XwSGT39196WjnajkNIjS7QndicpEUz99UHO91Wujl0n/I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Krg1nriO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Krg1nriO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97316C4AF0E; Thu, 1 Aug 2024 06:13:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722492830; bh=2z4bHnWIWcvxAiFTLgSYfPcGY4CSFltdU+BtR9hEENA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Krg1nriO+eqnJw/SwdbuG3fCazMoLJlQMveWlRkHWmGKjUeBAV7SPEb3qpYrtisDR zcMTZ9ucUhsZWHm5P0W+e7OwiQbmCzYDNW0O0KB9bpGyPbYgbomgp6evmqSqJK760o G3tlRtfaCIlHRTSAxX+B6jfurNE/P42/ILnPuKFYuvjt2jr3XDTpBGpJgTe69srkyE T7HP4P7RrEbKkHv+Z2WcA38kANShZuYnsFLoO9R+x/ze0wRTfzDScZQnHsTT0bkqEp r3/pInPgL1sn+CE/kAYEoSxGqH/IFD6WOJQ4wImNEhfM2qe3oPpI8DAV+mZ7uJVllq swnBD4lW/yIiw== From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Andreas Larsson , Andrew Morton , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Hansen , David Hildenbrand , "David S. Miller" , Davidlohr Bueso , Greg Kroah-Hartman , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , John Paul Adrian Glaubitz , Jonathan Cameron , Jonathan Corbet , Michael Ellerman , Mike Rapoport , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Samuel Holland , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , Zi Yan , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cxl@vger.kernel.org, linux-doc@vger.kernel.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, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, nvdimm@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: [PATCH v3 26/26] docs: move numa=fake description to kernel-parameters.txt Date: Thu, 1 Aug 2024 09:08:26 +0300 Message-ID: <20240801060826.559858-27-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240801060826.559858-1-rppt@kernel.org> References: <20240801060826.559858-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Mike Rapoport (Microsoft)" 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 Suggested-by: Zi Yan Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Jonathan Cameron Acked-by: David Hildenbrand --- Documentation/admin-guide/kernel-parameters.txt | 15 +++++++++++++++ Documentation/arch/x86/x86_64/boot-options.rst | 12 ------------ 2 files changed, 15 insertions(+), 12 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index f1384c7b59c9..bcdee8984e1f 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/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 diff --git a/Documentation/arch/x86/x86_64/boot-options.rst b/Documentation/arch/x86/x86_64/boot-options.rst index 137432d34109..98d4805f0823 100644 --- a/Documentation/arch/x86/x86_64/boot-options.rst +++ b/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 ====