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: 1963601 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=QNLg86Jy; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WSp1q3RT6z1yYm for ; Tue, 23 Jul 2024 17:00:15 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=QNLg86Jy; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4WSp1q0RzQz3cYZ for ; Tue, 23 Jul 2024 17:00:15 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org 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=QNLg86Jy; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=145.40.73.55; helo=sin.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4WSnkk2JB2z3cYq for ; Tue, 23 Jul 2024 16:47:10 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 412C2CE0DA0; Tue, 23 Jul 2024 06:47:09 +0000 (UTC) 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 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> MIME-Version: 1.0 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: nvdimm@lists.linux.dev, x86@kernel.org, Andreas Larsson , Catalin Marinas , Dave Hansen , David Hildenbrand , Jiaxun Yang , linux-mm@kvack.org, sparclinux@vger.kernel.org, Alexander Gordeev , Will Deacon , Thomas Gleixner , linux-arch@vger.kernel.org, Rob Herring , Davidlohr Bueso , Vasily Gorbik , Jonathan Corbet , linux-sh@vger.kernel.org, Huacai Chen , Christophe Leroy , linux-acpi@vger.kernel.org, Ingo Molnar , Zi Yan , devicetree@vger.kernel.org, Arnd Bergmann , linux-s390@vger.kernel.org, Heiko Carstens , Borislav Petkov , linux-cxl@vger.kernel.org, loongarch@lists.linux.dev, John Paul Adrian Glaubitz , Dan Williams , linux-arm-kernel@lists.infradead.org, Thomas Bogendoerfer , Greg Kroah-Hartman , linux-doc@vger.kernel.org, linux-mips@vger.kernel.org, Samuel Holland , linux-riscv@lists.infradead.org, Palmer Dabbelt , Jonathan Cameron , "Rafael J. Wysocki" , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , Mike Rapoport Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 ====