From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qa0-f47.google.com (mail-qa0-f47.google.com [209.85.216.47]) by kanga.kvack.org (Postfix) with ESMTP id 151A86B00B7 for ; Thu, 6 Nov 2014 11:40:29 -0500 (EST) Received: by mail-qa0-f47.google.com with SMTP id dc16so988580qab.20 for ; Thu, 06 Nov 2014 08:40:28 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id c110si12565350qge.77.2014.11.06.08.40.26 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Nov 2014 08:40:27 -0800 (PST) Date: Thu, 6 Nov 2014 11:40:05 -0500 From: Luiz Capitulino Subject: Re: [PATCH/v2] Documentation: vm: Add 1GB large page support information Message-ID: <20141106114005.34dcbf6c@redhat.com> In-Reply-To: <1415287875-18820-1-git-send-email-standby24x7@gmail.com> References: <545AADCC.5030102@intel.com> <1415287875-18820-1-git-send-email-standby24x7@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Masanari Iida Cc: linux-kernel@vger.kernel.org, corbet@lwn.net, linux-mm@kvack.org, dave.hansen@intel.com, andi@firstfloor.org On Fri, 7 Nov 2014 00:31:15 +0900 Masanari Iida wrote: > This patch adds 1GB large page support information in > Documentation/vm/hugetlbpage.txt > > Reference: > https://lkml.org/lkml/2014/10/31/366 > > Signed-off-by: Masanari Iida > --- > Documentation/vm/hugetlbpage.txt | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt > index b64e0af..f2d3a10 100644 > --- a/Documentation/vm/hugetlbpage.txt > +++ b/Documentation/vm/hugetlbpage.txt > @@ -1,8 +1,8 @@ > > The intent of this file is to give a brief summary of hugetlbpage support in > the Linux kernel. This support is built on top of multiple page size support > -that is provided by most modern architectures. For example, i386 > -architecture supports 4K and 4M (2M in PAE mode) page sizes, ia64 > +that is provided by most modern architectures. For example, x86 CPUs normally > +support 4K and 2M (1G if architecturally supported) page sizes, ia64 > architecture supports multiple page sizes 4K, 8K, 64K, 256K, 1M, 4M, 16M, > 256M and ppc64 supports 4K and 16M. A TLB is a cache of virtual-to-physical > translations. Typically this is a very scarce resource on processor. Looks good to me: Reviewed-by: Luiz Capitulino -- 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