From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755105AbcEQJMc (ORCPT ); Tue, 17 May 2016 05:12:32 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:60155 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754555AbcEQJMb (ORCPT ); Tue, 17 May 2016 05:12:31 -0400 Date: Tue, 17 May 2016 02:12:28 -0700 From: Christoph Hellwig To: Vlastimil Babka Cc: Richard Weinberger , Christoph Hellwig , linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, boris.brezillon@free-electrons.com, maxime.ripard@free-electrons.com, david@sigma-star.at, david@fromorbit.com, dedekind1@gmail.com, alex@nextthing.co, akpm@linux-foundation.org, sasha.levin@oracle.com, iamjoonsoo.kim@lge.com, rvaswani@codeaurora.org, tony.luck@intel.com, shailendra.capricorn@gmail.com, kirill.shutemov@linux.intel.com, hughd@google.com, mgorman@techsingularity.net Subject: Re: UBIFS and page migration (take 3) Message-ID: <20160517091228.GB23943@infradead.org> References: <1462974823-3168-1-git-send-email-richard@nod.at> <20160512114948.GA25113@infradead.org> <5739C0C1.1090907@nod.at> <5739C53B.1010700@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5739C53B.1010700@suse.cz> User-Agent: Mutt/1.5.24 (2015-08-30) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 16, 2016 at 03:03:55PM +0200, Vlastimil Babka wrote: > On 05/16/2016 02:44 PM, Richard Weinberger wrote: > >MM folks, do we have a way to force page migration? > > On NUMA we have migrate_pages(2). Do we have existing sets of it? Otherwise it would be good to find a way to wire it up for xfstests so that we enforce migratepage is called. Once I get some time I'll see how often we end up calling migratepage for a normal QA run.