Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754009AbbG0PmD (ORCPT ); Mon, 27 Jul 2015 11:42:03 -0400 Received: from mx2.suse.de ([195.135.220.15]:33552 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753265AbbG0Plt (ORCPT ); Mon, 27 Jul 2015 11:41:49 -0400 Date: Mon, 27 Jul 2015 16:41:46 +0100 From: Mel Gorman To: David Vrabel Cc: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: Re: vmemmap_verify() BUGs during memory hotplug (4.2-rc1 regression) Message-ID: <20150727154146.GP2561@suse.de> References: <55B64F1D.8090807@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <55B64F1D.8090807@citrix.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 743 Lines: 21 On Mon, Jul 27, 2015 at 04:32:45PM +0100, David Vrabel wrote: > Mel, > > As of commit 8a942fdea560d4ac0e9d9fabcd5201ad20e0c382 (mm: meminit: make > __early_pfn_to_nid SMP-safe and introduce meminit_pfn_in_nid) > vmemmap_verify() will BUG_ON() during memory hotplug because of its use > of early_pfn_to_nid(). Previously, it would have reported bogus (or > failed to report valid) warnings. > Please test "mm, meminit: Allow early_pfn_to_nid to be used during runtime" -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/