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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 D4545C468BD for ; Sat, 8 Jun 2019 07:50:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B88A82146E for ; Sat, 8 Jun 2019 07:50:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726705AbfFHHuI (ORCPT ); Sat, 8 Jun 2019 03:50:08 -0400 Received: from mx2.suse.de ([195.135.220.15]:50480 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726042AbfFHHuI (ORCPT ); Sat, 8 Jun 2019 03:50:08 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id A6976AE9E; Sat, 8 Jun 2019 07:50:06 +0000 (UTC) Date: Sat, 8 Jun 2019 09:49:59 +0200 From: Borislav Petkov To: Baoquan He Cc: tglx@linutronix.de, stable@vger.kernel.org, mingo@kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, peterz@infradead.org, keescook@chromium.org, luto@kernel.org, hpa@zytor.com, kirill@linux.intel.com, dave.hansen@linux.intel.com, linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/urgent] x86/mm/KASLR: Compute the size of the vmemmap section properly Message-ID: <20190608074959.GA31866@zn.tnic> References: <20190523025744.3756-1-bhe@redhat.com> <20190608021404.GA26148@MiWiFi-R3L-srv> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190608021404.GA26148@MiWiFi-R3L-srv> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sat, Jun 08, 2019 at 10:14:04AM +0800, Baoquan He wrote: > Here, 4PB = 4*2^50 = 4*1024^5, the vmemmap should be 64 TB, am I right? PB is 1000^5 petabytes. 1024^5 is PiB or pebibytes. https://en.wikipedia.org/wiki/Petabyte -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Mary Higgins, Sri Rasiah, HRB 21284 (AG Nürnberg) --