Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755882Ab1DTVTA (ORCPT ); Wed, 20 Apr 2011 17:19:00 -0400 Received: from smtp-out.google.com ([216.239.44.51]:32469 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752651Ab1DTVS6 (ORCPT ); Wed, 20 Apr 2011 17:18:58 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=google.com; s=beta; h=date:from:x-x-sender:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version:content-type; b=j59edmGpDlTsWsZZItswAD0UrJOQKO36/B9gdtXbGvsUV0gH+wr2Kg5mfUDOVNVW4l Bc3NFqEiFUUXotYdKyFA== Date: Wed, 20 Apr 2011 14:18:54 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: James Bottomley cc: KOSAKI Motohiro , Pekka Enberg , Christoph Lameter , Michal Hocko , Andrew Morton , Hugh Dickins , linux-mm@kvack.org, LKML , linux-parisc@vger.kernel.org, Ingo Molnar , x86 maintainers Subject: Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards In-Reply-To: <1303317178.2587.30.camel@mulgrave.site> Message-ID: References: <20110420161615.462D.A69D9226@jp.fujitsu.com> <20110420174027.4631.A69D9226@jp.fujitsu.com> <1303317178.2587.30.camel@mulgrave.site> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1880 Lines: 44 On Wed, 20 Apr 2011, James Bottomley wrote: > [ 0.200000] Backtrace: > [ 0.200000] [<000000004021c938>] add_partial+0x28/0x98 > [ 0.200000] [<000000004021faa0>] __slab_free+0x1d0/0x1d8 > [ 0.200000] [<000000004021fd04>] kmem_cache_free+0xc4/0x128 > [ 0.200000] [<000000004033bf9c>] ida_get_new_above+0x21c/0x2c0 > [ 0.200000] [<00000000402a8980>] sysfs_new_dirent+0xd0/0x238 > [ 0.200000] [<00000000402a974c>] create_dir+0x5c/0x168 > [ 0.200000] [<00000000402a9ab0>] sysfs_create_dir+0x98/0x128 > [ 0.200000] [<000000004033d6c4>] kobject_add_internal+0x114/0x258 > [ 0.200000] [<000000004033d9ac>] kobject_add_varg+0x7c/0xa0 > [ 0.200000] [<000000004033df20>] kobject_add+0x50/0x90 > [ 0.200000] [<000000004033dfb4>] kobject_create_and_add+0x54/0xc8 > [ 0.200000] [<00000000407862a0>] cgroup_init+0x138/0x1f0 > [ 0.200000] [<000000004077ce50>] start_kernel+0x5a0/0x840 > [ 0.200000] [<000000004011fa3c>] start_parisc+0xa4/0xb8 > [ 0.200000] [<00000000404bb034>] packet_ioctl+0x16c/0x208 > [ 0.200000] [<000000004049ac30>] ip_mroute_setsockopt+0x260/0xf20 > [ 0.200000] This is probably because the parisc's DISCONTIGMEM memory ranges don't have bits set in N_NORMAL_MEMORY. diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -266,8 +266,10 @@ static void __init setup_bootmem(void) } memset(pfnnid_map, 0xff, sizeof(pfnnid_map)); - for (i = 0; i < npmem_ranges; i++) + for (i = 0; i < npmem_ranges; i++) { + node_set_state(i, N_NORMAL_MEMORY); node_set_online(i); + } #endif /* -- 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/