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_PASS,USER_AGENT_MUTT 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 990AFC282E1 for ; Mon, 22 Apr 2019 09:14:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 662BA20674 for ; Mon, 22 Apr 2019 09:14:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727045AbfDVJOq (ORCPT ); Mon, 22 Apr 2019 05:14:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50950 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726587AbfDVJOq (ORCPT ); Mon, 22 Apr 2019 05:14:46 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C6FD0308FEDE; Mon, 22 Apr 2019 09:14:45 +0000 (UTC) Received: from localhost (ovpn-12-166.pek2.redhat.com [10.72.12.166]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 232D860139; Mon, 22 Apr 2019 09:14:44 +0000 (UTC) Date: Mon, 22 Apr 2019 17:14:42 +0800 From: Baoquan He To: linux-kernel@vger.kernel.org, kirill.shutemov@linux.intel.com, keescook@chromium.org Cc: x86@kernel.org, tglx@linutronix.de, mingo@kernel.org, bp@alien8.de, hpa@zytor.com, peterz@infradead.org, thgarnie@google.com, herbert@gondor.apana.org.au, mike.travis@hpe.com, frank.ramsay@hpe.com, yamada.masahiro@socionext.com Subject: Re: [PATCH v3 RESEND 2/2] x86/mm/KASLR: Fix the size of vmemmap section Message-ID: <20190422091442.GC3584@localhost.localdomain> References: <20190414072804.12560-1-bhe@redhat.com> <20190414072804.12560-3-bhe@redhat.com> <20190422091045.GB3584@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190422091045.GB3584@localhost.localdomain> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Mon, 22 Apr 2019 09:14:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Kirill, Kees, On 04/22/19 at 05:10pm, Baoquan He wrote: > kernel_randomize_memory() hardcodes the size of vmemmap section as 1 TB, > to support the maximum amount of system RAM in 4-level paging mode, 64 TB. Could you help review this one, and offer ack if it's OK to you? Thanks Baoquan