Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp565871pxb; Tue, 3 Nov 2020 06:59:03 -0800 (PST) X-Google-Smtp-Source: ABdhPJyynWcmvfh1QmUBLy56pgGKQ2IjqgyRTAP6/XaB1M/jOpFA78+SyM1JaNqJKgNvAdfCBWdT X-Received: by 2002:aa7:dada:: with SMTP id x26mr22130227eds.167.1604415543774; Tue, 03 Nov 2020 06:59:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1604415543; cv=none; d=google.com; s=arc-20160816; b=NsL88WSEsMGDcJwkWsPfKuGPeHAo2oXrE0aLqp79AnqQrywod/egdWJCamsw24SlIC 5MsmZVJOxRHZEEIREvI7OIX1Sk8C5XM8BXR326sowWh0I4ZFw6m89VbWScjTEBatpVBb k6xoYGe+Aues9jce40TFUlyewMOTjzcgiWNPP/496bcGgh6ebxtYAPA6ukKiH5hHPcbP c1JQxxD7bMYUR7upGLARBMNgz2pTcN8Em8RXgDEwCEfhqvbaM0+P9LJGtS48kZfi+tRM e5eds5Vvk43DLqGqaEx5XJhoofqHaUqTgCSWqtZjKguH4+xaiJR05dm8xgMBsE4Yl8lm VRZg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=v0rC3oFsk/M3OIcRDrSqN0q52XHS7dqlJOKjQCuDT+k=; b=B67xNlcQaQzKSjp4suy/sSpqi3kDf3usuf716w+U4sQPx6ynCz9pKPApU72sHQUTkZ QI1ZkLEOM1NWYPCYHJPNcSbiYBZyeoCpMEWvliTEy0Jh+UVU1EDNEUMyl8OriWAOeI4m aw4unnDQm7lWTyX1/ZH9Ib53CU6MsmuyCXhHAh4nIoxM6IcMAk5ewwEzwn3x3lPZrhum uZ2C30ZgDOYNR9W6DVSWlBsp+sz2B5cFEetOOlNwUZyHABMYw5o0GFpKfAdjGEsKa4f+ O2lBOEOPii/Otsd4McrifG3FnAznj8G/5gDBQbiP0xGvM57GbROJbX3uiDGFLBRB+0fu mDMQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=pxuPDZtA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b66si9516995edf.167.2020.11.03.06.58.41; Tue, 03 Nov 2020 06:59:03 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=pxuPDZtA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728168AbgKCO4l (ORCPT + 99 others); Tue, 3 Nov 2020 09:56:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:53480 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728068AbgKCOzE (ORCPT ); Tue, 3 Nov 2020 09:55:04 -0500 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C7190223EA; Tue, 3 Nov 2020 14:55:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604415303; bh=qbfxBieownkCAG2H1cJlnxfBKecOOT4MnsnXDzLjJVM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pxuPDZtAN55F4/4h6zD3Qp92igX5zZS4nw+S5r0H3/0axJ6X9EsyQlxa2By5Q6b8G uzyQK38K5xCGmEVS1d4aWKHfRfygAzcLseTAlcLwW1NFLFHzrPGmQep1kyO3gCTGok 7j2aE8ojk6xUcePovUoZ8kJQKrEpdwPxcS5bvxro= From: Will Deacon To: linux-arm-kernel@lists.infradead.org, Vanshidhar Konda Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , linux-kernel@vger.kernel.org, Valentin.Schneider@arm.com, Anshuman.Khandual@arm.com, patches@amperecomputing.com Subject: Re: [PATCH v3] arm64: NUMA: Kconfig: Increase NODES_SHIFT to 4 Date: Tue, 3 Nov 2020 14:54:52 +0000 Message-Id: <160439588576.1151017.825552867492752498.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201030173050.1182876-1-vanshikonda@os.amperecomputing.com> References: <20201030173050.1182876-1-vanshikonda@os.amperecomputing.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 30 Oct 2020 10:30:50 -0700, Vanshidhar Konda wrote: > The current arm64 default config limits max NUMA nodes available on > system to 4 (NODES_SHIFT = 2). Today's arm64 systems can reach or > exceed 16 NUMA nodes. To accomodate current hardware and to fit > NODES_SHIFT within page flags on arm64, increase NODES_SHIFT to 4. > > Discussion on v1 of the patch: > https://lore.kernel.org/linux-arm-kernel/20201020173409.1266576-1-vanshikonda@os.amperecomputing.com/ > > [...] Applied to arm64 (for-next/fixes), thanks! [1/1] arm64: NUMA: Kconfig: Increase NODES_SHIFT to 4 https://git.kernel.org/arm64/c/2a13c13b39a8 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev