From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 6A8318D003B for ; Wed, 20 Apr 2011 17:19:03 -0400 (EDT) Received: from kpbe20.cbf.corp.google.com (kpbe20.cbf.corp.google.com [172.25.105.84]) by smtp-out.google.com with ESMTP id p3KLJ0AL021613 for ; Wed, 20 Apr 2011 14:19:00 -0700 Received: from pvg11 (pvg11.prod.google.com [10.241.210.139]) by kpbe20.cbf.corp.google.com with ESMTP id p3KLIuu3008011 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Wed, 20 Apr 2011 14:18:58 -0700 Received: by pvg11 with SMTP id 11so864072pvg.27 for ; Wed, 20 Apr 2011 14:18:56 -0700 (PDT) Date: Wed, 20 Apr 2011 14:18:54 -0700 (PDT) From: David Rientjes 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> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: 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 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org