From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f170.google.com (mail-pd0-f170.google.com [209.85.192.170]) by kanga.kvack.org (Postfix) with ESMTP id CC7156B00A2 for ; Wed, 5 Nov 2014 10:32:00 -0500 (EST) Received: by mail-pd0-f170.google.com with SMTP id z10so948321pdj.15 for ; Wed, 05 Nov 2014 07:32:00 -0800 (PST) Received: from mga11.intel.com (mga11.intel.com. [192.55.52.93]) by mx.google.com with ESMTP id qf6si3317635pab.118.2014.11.05.07.31.58 for ; Wed, 05 Nov 2014 07:31:59 -0800 (PST) Message-ID: <545A42C4.6070908@intel.com> Date: Wed, 05 Nov 2014 07:31:16 -0800 From: Dave Hansen MIME-Version: 1.0 Subject: Re: [PATCH] Documentation: vm: Add 1GB large page support information References: <1414771317-5721-1-git-send-email-standby24x7@gmail.com> <5457C6EA.3080809@intel.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Masanari Iida Cc: Jonathan Corbet , "linux-kernel@vger.kernel.org" , linux-mm@kvack.org, lcapitulino@redhat.com On 11/05/2014 07:21 AM, Masanari Iida wrote: > Luiz, Dave, > Thanks for comments. > > I understand that there are some exception cases which doesn't support 1G > large pages on newer CPUs. > I like Dave's example, at the same time I would like to add "pdpe1gb flag" in > the document. > > For example, x86 CPUs normally support 4K and 2M (1G if pdpe1gb flag exist). Is 1G supported on CPUs that have pdpe1gb and are running a 32-bit kernel? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org