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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 1968CC433FF for ; Mon, 5 Aug 2019 17:10:16 +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 DBB92216F4 for ; Mon, 5 Aug 2019 17:10:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Z0eUc6e2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBB92216F4 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=uNX5cxKXcxpC2dFWxsGTrTT9i8SEE1qYnQ3DgcIHxcY=; b=Z0eUc6e25ev4Wx YIDMdrw0TSo2DNFtnfidL9ZXGLdBnHvRxoTYkYcL9Fk6y6gAalvzS8LBLNjXffl5Pj3khZQ4UaTj7 jM0hIr+hiDz/Y+b92EKJAfk323r5Uko9PlHWWSzRDn7X2/PKfqbl2ITRX/QCijAdPObPgqFxOA75e I6uDpNVH2mDXkGvUFXSs93OqoZMdfMo7UOU6Reu0f+l+1o2/MlTP5AezITS8UychaZjJxCAAFgQVZ hV43XrSgOU+zgc0emyVZkDdW10qiogGFhSJxLhWVpIbahkKDEkgjwDcrCtSOb75nkyMTtdZqqKPTL K5L9G1uEtDtlXJapIObA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hugUq-0002rN-S3; Mon, 05 Aug 2019 17:10:08 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hugUn-0002HF-1s for linux-arm-kernel@lists.infradead.org; Mon, 05 Aug 2019 17:10:06 +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 3DA09344; Mon, 5 Aug 2019 10:10:04 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.196.78]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3A87E3F694; Mon, 5 Aug 2019 10:10:03 -0700 (PDT) Date: Mon, 5 Aug 2019 18:10:01 +0100 From: Catalin Marinas To: Steve Capper Subject: Re: [PATCH V4 09/11] arm64: mm: Modify calculation of VMEMMAP_SIZE Message-ID: <20190805171000.GJ4175@arrakis.emea.arm.com> References: <20190729162117.832-1-steve.capper@arm.com> <20190729162117.832-10-steve.capper@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190729162117.832-10-steve.capper@arm.com> 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-20190805_101005_139261_1E5B6F0F X-CRM114-Status: UNSURE ( 9.77 ) X-CRM114-Notice: Please train this message. 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: crecklin@redhat.com, ard.biesheuvel@linaro.org, maz@kernel.org, bhsharma@redhat.com, will@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 Mon, Jul 29, 2019 at 05:21:15PM +0100, Steve Capper wrote: > In a later patch we will need to have a slightly larger VMEMMAP region > to accommodate boot time selection between 48/52-bit kernel VAs. > > This patch modifies the formula for computing VMEMMAP_SIZE to depend > explicitly on the PAGE_OFFSET and start of kernel addressable memory. > (This allows for a slightly larger direct linear map in future). > > Signed-off-by: Steve Capper Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel