From patchwork Tue Jul 23 06:41:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13739557 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 F13E714C581; Tue, 23 Jul 2024 06:47:08 +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=1721717229; cv=none; b=fn5fAohQp9rbdMs0L4Ip4aFArr6HIoDYMrxhUwbEagtUnLNlZNvkS5YmreCgOEj34F2IN+9+0/sxobHvxogUZYdrqdkKT9KnrBHPuwLD8zRc7xuEQs4zEqyPOnQWCHvk19W/eWRqoPhzs6z7XTHBZ63LHkmVr9EkCzyQyY5AdNc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721717229; c=relaxed/simple; bh=XhBFop5H8bMuMnCv+pTVRkvsNA1D1d9rM83bQqfOsbg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Qw8UwVVAYW0kNbHWuHwLfbt0Cm8dmJXGnePh8QGEqfllpHrRxyyGjWAigpIbhkBfWloSx1fk0xT//esojPCjbqqs6Kfer8mPypCmF1qdnuBOx2IXPpjP1Jp34JVJaTWdul6tcB5nONkkTU1yNmUrY5avFf4sm91BVrcC+vKKGCg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QNLg86Jy; 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="QNLg86Jy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 88E7AC4AF10; Tue, 23 Jul 2024 06:46:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721717228; bh=XhBFop5H8bMuMnCv+pTVRkvsNA1D1d9rM83bQqfOsbg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QNLg86Jyt1YyzxPEeX6D3F4KpgxoIA7kTTXU/4Vh40COSg2P7gWaFbk2wTlGFfl4o 8VEFN0QnIMlGVDL9MQTFK1P9wKPcdxA6llZjn9naPajN8ELpS3/Hl6z/d8bIhTz8Bo crTLjwLalT1F0qF/XNoilpQdEa5ncV0aAZ/SpaB+6WLDO664rMOj6P6DtDnIvhdGiU c2Pr42NhZgqI9ZRisEeKX6Fejq+BKDo4BMOie7hVHOHzopjON0xM1GAA3kppApeLKE /0wmyOuJJNxXMREyX7/3OLD4TIDGDkn7CPLTl9q6nZ36lvACr6Abe1/mdtFq4g6M3X VaFW/sr1c5HuQ== 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 v2 25/25] docs: move numa=fake description to kernel-parameters.txt Date: Tue, 23 Jul 2024 09:41:56 +0300 Message-ID: <20240723064156.4009477-26-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240723064156.4009477-1-rppt@kernel.org> References: <20240723064156.4009477-1-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) --- 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 27ec49af1bf2..d64e27768429 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4158,6 +4158,21 @@ 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 ====