Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752077AbdFNJG5 (ORCPT ); Wed, 14 Jun 2017 05:06:57 -0400 Received: from mail-pg0-f66.google.com ([74.125.83.66]:34283 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751866AbdFNJGy (ORCPT ); Wed, 14 Jun 2017 05:06:54 -0400 Date: Wed, 14 Jun 2017 17:06:51 +0800 From: Wei Yang To: Michal Hocko Cc: Wei Yang , Andrew Morton , linux-mm@kvack.org, Mel Gorman , Vlastimil Babka , Andrea Arcangeli , Reza Arbab , Yasuaki Ishimatsu , qiuxishi@huawei.com, Kani Toshimitsu , slaoub@gmail.com, Joonsoo Kim , Andi Kleen , David Rientjes , Daniel Kiper , Igor Mammedov , Vitaly Kuznetsov , LKML Subject: Re: [PATCH] mm, memory_hotplug: support movable_node for hotplugable nodes Message-ID: <20170614090651.GA15288@WeideMacBook-Pro.local> Reply-To: Wei Yang References: <20170608122318.31598-1-mhocko@kernel.org> <20170612042832.GA7429@WeideMBP.lan> <20170612064502.GD4145@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ZGiS0Q5IWpPtfppv" Content-Disposition: inline In-Reply-To: <20170612064502.GD4145@dhcp22.suse.cz> User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1850 Lines: 53 --ZGiS0Q5IWpPtfppv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 12, 2017 at 08:45:02AM +0200, Michal Hocko wrote: >On Mon 12-06-17 12:28:32, Wei Yang wrote: >> On Thu, Jun 08, 2017 at 02:23:18PM +0200, Michal Hocko wrote: >> >From: Michal Hocko >> > >> >movable_node kernel parameter allows to make hotplugable NUMA >> >nodes to put all the hotplugable memory into movable zone which >> >allows more or less reliable memory hotremove. At least this >> >is the case for the NUMA nodes present during the boot (see >> >find_zone_movable_pfns_for_nodes). >> > >>=20 >> When movable_node is enabled, we would have overlapped zones, right? > >It won't based on this patch. See movable_pfn_range I did grep in source code, but not find movable_pfn_range. Could you share some light on that? > --=20 Wei Yang Help you, Help me --ZGiS0Q5IWpPtfppv Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJZQPyqAAoJEKcLNpZP5cTdknUP/i1xLydJ0Jdj8Q3TvZtUZJwk c/YPUttK1MowMP5UnkdQFwd16I5LIdGOlgI+JDaq19wduxRz35HZGCky9q0zaQdK /XBSqtWU23062lj31nLer23XSV0RyZDmrymFjMd6oD5Y4EHXoqItw6ZrDjgWTkCj 27uDr4O6LmevYwqcf4G7L+qpovxe9rcJUmgfvUNhwCmudvvuBoRnScnFDBtiUTz6 yGwKNUBID+itzFBr3nvyVP5nzib6+oUEprI9M68QM2xbskyZlth83RdUDNN60z0E Yynz0hEBq01HQfqUHMakl5bfwWDP3rrOXJLWoDgelSjITsrlfOLDpYirsN4SzQgA 1xgNMh2KouzNoSSIToIBpT3M3fQdJTFhjFfkYbMdMUjeCyp2p1FW/8FHfgORXJSL ReZ1IJ/BTDKB3+yn96wkfPkFAy8JNneOdIvPFjE9EOOu3zE0YhkJAqHhHTBQcjzM 5k26ADWbKqyzjcB2seiWTs0RFwW8d282Wu84c+M3GkzDTNXLSSK+zilQFo3lOfMD OX9NMSyqLVQkiH7JxQDrYkrUX1XHoUZ3S98Vm8D1VuOTxcK5RhRuPjhcH/9LZ3Yl xgjl2FHXI3pZosCYQmwZIdN9LIVV6PbMc20xCAtTGSceWkAUQEnnoxUIQlraJ5ye md1L7rvZtp9r/IgWK5oh =UxU0 -----END PGP SIGNATURE----- --ZGiS0Q5IWpPtfppv--