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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8696CC18E5B for ; Mon, 16 Mar 2020 17:42:16 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 53021205ED for ; Mon, 16 Mar 2020 17:42:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uug8uX86" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53021205ED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=CyhoH3xCoGgrDHkld9pBonziAT80ynTYgBXyCarvhvc=; b=uug8uX86sZY5CL hCx3d8WItUQBKKsikn4F5W0JZTQQk9TMsxintltOarYIrLlHxGizV41c2OPgs2aKmcaFsgyQYGeWR SufKp++r3H+3frQ6RSJ4Bcf1TZlB2t+dr5K2D3IChXRxeDjQToWW+SrYDHZOf8b21msPp3tWDaZkW 05AVgQ+GEtQ6KQ57AU8inpGCZEn7h7shwLTLYSSJsd2cAH6ZIzTieP10iwXhi1P1cmfnWzadhNWig zfvkvPJRqQzBiT3VUAVuuvGvl4tS//MJ4zgJyPZJydDYz1EQfDrH97HZ7KTVd2G++PjJfqNHL37FY TXXxqelnyhJgXPrhn5nQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDtkl-0004DU-VB; Mon, 16 Mar 2020 17:42:15 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDtki-0004D8-QB for linux-arm-kernel@lists.infradead.org; Mon, 16 Mar 2020 17:42:14 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 318A51FB; Mon, 16 Mar 2020 10:42:12 -0700 (PDT) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 768B73F67D; Mon, 16 Mar 2020 10:42:11 -0700 (PDT) Date: Mon, 16 Mar 2020 17:42:00 +0000 From: Catalin Marinas To: Vadym Kochan Subject: Re: [PATCH] arm64: Kconfig: allow to change FORCE_MAX_ZONEORDER via custom config Message-ID: <20200316174200.GH3005@mbp> References: <20200312235037.26072-1-vadym.kochan@plvision.eu> <20200313123741.GC3857972@arrakis.emea.arm.com> <20200313124558.GA3281@plvision.eu> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200313124558.GA3281@plvision.eu> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200316_104212_893265_843C7ADF X-CRM114-Status: GOOD ( 13.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Will Deacon , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Mar 13, 2020 at 02:45:58PM +0200, Vadym Kochan wrote: > On Fri, Mar 13, 2020 at 12:37:41PM +0000, Catalin Marinas wrote: > > On Fri, Mar 13, 2020 at 01:50:37AM +0200, Vadym Kochan wrote: > > > Add missing config option name which allows to change it via custom > > > config. > > > > Why? What is your use-case? > > I need to allocate buffers bigger than default ZONEORDER, so I tried to > increase it but it did not work because the config entry has no name. I try not to make this selectable as we want a single kernel build to work on all supported hardware. The current values are chosen to allow huge pages. If you need bigger contiguous allocations, maybe something like CMA would help. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel