From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f43.google.com (mail-wg0-f43.google.com [74.125.82.43]) by kanga.kvack.org (Postfix) with ESMTP id BAB1A6B0036 for ; Tue, 29 Jul 2014 19:22:04 -0400 (EDT) Received: by mail-wg0-f43.google.com with SMTP id l18so337695wgh.26 for ; Tue, 29 Jul 2014 16:22:04 -0700 (PDT) Received: from jenni1.inet.fi (mta-out1.inet.fi. [62.71.2.198]) by mx.google.com with ESMTP id uj9si818482wjc.132.2014.07.29.16.22.03 for ; Tue, 29 Jul 2014 16:22:03 -0700 (PDT) Date: Wed, 30 Jul 2014 02:21:42 +0300 From: "Kirill A. Shutemov" Subject: Re: [PATCH v5 05/14] mm, compaction: move pageblock checks up from isolate_migratepages_range() Message-ID: <20140729232142.GB17685@node.dhcp.inet.fi> References: <1406553101-29326-1-git-send-email-vbabka@suse.cz> <1406553101-29326-6-git-send-email-vbabka@suse.cz> <53D7690D.5070307@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: David Rientjes Cc: Vlastimil Babka , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Minchan Kim , Joonsoo Kim , Michal Nazarewicz , Naoya Horiguchi , Christoph Lameter , Rik van Riel , Mel Gorman , Zhang Yanfei On Tue, Jul 29, 2014 at 04:02:09PM -0700, David Rientjes wrote: > Hmm, I'm confused at how that could be true, could you explain what > memory other than thp can return true for PageTransHuge()? PageTransHuge() will be true for any head of compound page if THP is enabled compile time: hugetlbfs, slab, whatever. -- Kirill A. Shutemov -- 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