From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f173.google.com (mail-wi0-f173.google.com [209.85.212.173]) by kanga.kvack.org (Postfix) with ESMTP id 9123F6B025D for ; Mon, 3 Aug 2015 06:53:31 -0400 (EDT) Received: by wicmv11 with SMTP id mv11so130326755wic.0 for ; Mon, 03 Aug 2015 03:53:31 -0700 (PDT) Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com. [209.85.212.179]) by mx.google.com with ESMTPS id r9si13231575wiz.76.2015.08.03.03.53.29 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Aug 2015 03:53:29 -0700 (PDT) Received: by wibud3 with SMTP id ud3so130648865wib.1 for ; Mon, 03 Aug 2015 03:53:29 -0700 (PDT) Date: Mon, 3 Aug 2015 13:53:27 +0300 From: "Kirill A. Shutemov" Subject: Re: [PATCHv9 30/36] thp: add option to setup migration entiries during PMD split Message-ID: <20150803105327.GD25034@node.dhcp.inet.fi> References: <1437402069-105900-1-git-send-email-kirill.shutemov@linux.intel.com> <1437402069-105900-31-git-send-email-kirill.shutemov@linux.intel.com> <55BB8FB2.6040004@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55BB8FB2.6040004@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Jerome Marchand Cc: "Kirill A. Shutemov" , Andrew Morton , Andrea Arcangeli , Hugh Dickins , Dave Hansen , Mel Gorman , Rik van Riel , Vlastimil Babka , Christoph Lameter , Naoya Horiguchi , Steve Capper , "Aneesh Kumar K.V" , Johannes Weiner , Michal Hocko , Sasha Levin , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Fri, Jul 31, 2015 at 05:09:38PM +0200, Jerome Marchand wrote: > On 07/20/2015 04:21 PM, Kirill A. Shutemov wrote: > > We are going to use migration PTE entires to stabilize page counts. > > If the page is mapped with PMDs we need to split the PMD and setup > > migration enties. It's reasonable to combine these operations to avoid > > double-scanning over the page table. > > Entries? Three different typos for three occurrences of the same word. > You don't like it, do you? Urgh..