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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT 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 9A29BC6778A for ; Tue, 3 Jul 2018 14:56:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B6782084D for ; Tue, 3 Jul 2018 14:56:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B6782084D 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932771AbeGCO4c (ORCPT ); Tue, 3 Jul 2018 10:56:32 -0400 Received: from foss.arm.com ([217.140.101.70]:50638 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932238AbeGCO4b (ORCPT ); Tue, 3 Jul 2018 10:56:31 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 13F677A9; Tue, 3 Jul 2018 07:56:31 -0700 (PDT) Received: from armageddon.cambridge.arm.com (armageddon.cambridge.arm.com [10.1.206.84]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 05F553F5AD; Tue, 3 Jul 2018 07:56:29 -0700 (PDT) Date: Tue, 3 Jul 2018 15:56:27 +0100 From: Catalin Marinas To: Nikunj Kela Cc: Will Deacon , xe-kernel@external.cisco.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/2] arm64: add support for 43bit physical address Message-ID: <20180703145626.g6pb4bgnrle2p2qf@armageddon.cambridge.arm.com> References: <20180702210451.16057-2-nkela@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180702210451.16057-2-nkela@cisco.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 02, 2018 at 02:04:51PM -0700, Nikunj Kela wrote: > This patch adds support for 43bit physical address. Additionally, > this patch adds support for 27bit section size. This is useful in > reducing kernel memory usage. One usecase is in kdump kernel. Some numbers please. -- Catalin