From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752701AbdFSWBn (ORCPT ); Mon, 19 Jun 2017 18:01:43 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:54560 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752167AbdFSWBl (ORCPT ); Mon, 19 Jun 2017 18:01:41 -0400 Date: Mon, 19 Jun 2017 15:01:33 -0700 From: Andrew Morton To: Punit Agrawal Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will.deacon@arm.com, n-horiguchi@ah.jp.nec.com, kirill.shutemov@linux.intel.com, mike.kravetz@oracle.com, steve.capper@arm.com, mark.rutland@arm.com, linux-arch@vger.kernel.org, aneesh.kumar@linux.vnet.ibm.com Subject: Re: [PATCH v5 0/8] Support for contiguous pte hugepages Message-Id: <20170619150133.cb4173220e4e3abd02c6f6d0@linux-foundation.org> In-Reply-To: <20170619170145.25577-1-punit.agrawal@arm.com> References: <20170619170145.25577-1-punit.agrawal@arm.com> X-Mailer: Sylpheed 3.4.1 (GTK+ 2.24.23; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 19 Jun 2017 18:01:37 +0100 Punit Agrawal wrote: > This is v5 of the patchset to update the hugetlb code to support > contiguous hugepages. Previous version of the patchset can be found at > [0]. Dumb question: is there a handy description anywhere which describes how arm64 implements huge pages? "contiguous 4k ptes" doesn't sound like a huge page at all - what's going on here?