From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755149Ab3AYDrI (ORCPT ); Thu, 24 Jan 2013 22:47:08 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:50625 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754519Ab3AYDrG (ORCPT ); Thu, 24 Jan 2013 22:47:06 -0500 Message-ID: <5101FFF5.6030503@oracle.com> Date: Thu, 24 Jan 2013 22:45:57 -0500 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130113 Thunderbird/17.0.2 MIME-Version: 1.0 To: Andrew Morton , Shaohua Li CC: Rik van Riel , Minchan Kim , Hugh Dickins , linux-mm , "linux-kernel@vger.kernel.org" Subject: boot warnings due to swap: make each swap partition have one address_space Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi folks, Commit "swap: make each swap partition have one address_space" is triggering a series of warnings on boot: [ 3.446071] ------------[ cut here ]------------ [ 3.446664] WARNING: at lib/debugobjects.c:261 debug_print_object+0x8e/0xb0() [ 3.447715] ODEBUG: init active (active state 0) object type: percpu_counter hint: (null) [ 3.450360] Modules linked in: [ 3.451593] Pid: 1, comm: swapper/0 Tainted: G W 3.8.0-rc4-next-20130124-sasha-00004-g838a1b4 #266 [ 3.454508] Call Trace: [ 3.455248] [] warn_slowpath_common+0x8c/0xc0 [ 3.455248] [] warn_slowpath_fmt+0x41/0x50 [ 3.455248] [] debug_print_object+0x8e/0xb0 [ 3.455248] [] __debug_object_init+0x20b/0x290 [ 3.455248] [] debug_object_init+0x15/0x20 [ 3.455248] [] __percpu_counter_init+0x6d/0xe0 [ 3.455248] [] bdi_init+0x1ac/0x270 [ 3.455248] [] swap_setup+0x3b/0x87 [ 3.455248] [] ? swap_setup+0x87/0x87 [ 3.455248] [] kswapd_init+0x11/0x7c [ 3.455248] [] do_one_initcall+0x8a/0x180 [ 3.455248] [] do_basic_setup+0x96/0xb4 [ 3.455248] [] ? loglevel+0x31/0x31 [ 3.455248] [] ? sched_init_smp+0x150/0x157 [ 3.455248] [] kernel_init_freeable+0xd2/0x14c [ 3.455248] [] ? rest_init+0x140/0x140 [ 3.455248] [] kernel_init+0x9/0xf0 [ 3.455248] [] ret_from_fork+0x7c/0xb0 [ 3.455248] [] ? rest_init+0x140/0x140 [ 3.455248] ---[ end trace 0b176d5c0f21bffb ]--- I haven't looked deeper into it yet, and will do so tomorrow, unless this spew is obvious to anyone. Thanks, Sasha