From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 74EB9C47258 for ; Wed, 17 Jan 2024 20:01:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:Message-ID:In-Reply-To: Subject:cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=TvLMsCMExAf/IYJNEchbD/MN690SQQTRmaoO+Y5IMLA=; b=z0nKMUjh1hrQiNalbK/YcBFm42 TBtQzYj4vjX5og8ay7IBs8yki9sPuQJmRJ5SBvayEh+m+W56JT9kCEVCPbMMlQn5IijXoI0odHOoG ihLDQ5noId0PStQS9X3CEiAwIK8Nd/iAVt2hKDtCBhC+yAb57c4eZGad1nSAuuIPkvq/vhC/MJh0/ ChJNapnbHVM2g7I7sFlm/kLmWDc7kqHt1D1fRW4tJqLF0ulMbuXTyuwxFUOGl2TyATiCw6K7nKEnT VzxEDkEqMddiW698ihQ9MPqFkmOsH0cOwQVMJ8rqhW963iof9CVs2zuY5W3oczdrsb2qfJ7QU9Oba PGQZjFHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rQC5Q-000ZBO-1v; Wed, 17 Jan 2024 20:00:32 +0000 Received: from gentwo.org ([62.72.0.81]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rQC5N-000Z9f-1b for linux-arm-kernel@lists.infradead.org; Wed, 17 Jan 2024 20:00:31 +0000 Received: by gentwo.org (Postfix, from userid 1003) id 5A05640A8B; Wed, 17 Jan 2024 11:59:53 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id 596B040A85; Wed, 17 Jan 2024 11:59:53 -0800 (PST) Date: Wed, 17 Jan 2024 11:59:53 -0800 (PST) From: "Christoph Lameter (Ampere)" To: Eric Mackay cc: mark.rutland@arm.com, Jonathan.Cameron@huawei.com, Matteo.Carlini@arm.com, Valentin.Schneider@arm.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, catalin.marinas@arm.com, dave.kleikamp@oracle.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux@armlinux.org.uk, robin.murphy@arm.com, vanshikonda@os.amperecomputing.com, yang@os.amperecomputing.com Subject: Re: [PATCH] ARM64: Dynamically allocate cpumasks and increase supported CPUs to 512 In-Reply-To: <20240116210633.116278-1-eric.mackay@oracle.com> Message-ID: <47461daf-3aa5-493f-7278-b0116ee2c724@linux.com> References: <20240116210633.116278-1-eric.mackay@oracle.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240117_120029_568796_516972E2 X-CRM114-Status: UNSURE ( 6.81 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 16 Jan 2024, Eric Mackay wrote: > > It seems > 256 was chosen as the cutoff simply because it preserves existing behavior. > The patch description seems to imply there was pushback from distro maintainers on just increasing > the default NR_CPUS. Yup that was it. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel