[    2.630101] BUG: Bad page state in process swapper  pfn:01800
[    2.631771] page:ffffea0000054000 count:0 mapcount:-127 mapping:          (null) index:0x0
[    2.633472] page flags: 0x4000000000000000()
[    2.635172] Pid: 1, comm: swapper Not tainted 3.0.0-rc1 #3
[    2.636856] Call Trace:
[    2.638515]  [<ffffffff8107e50d>] ? bad_page+0xd0/0xe2
[    2.640176]  [<ffffffff8107ea4c>] ? free_pages_prepare+0x67/0xa3
[    2.641846]  [<ffffffff8107db1e>] ? get_pageblock_flags_group+0x3f/0x76
[    2.643511]  [<ffffffff8107ebbf>] ? free_hot_cold_page+0x25/0x193
[    2.645177]  [<ffffffff81021ac9>] ? change_page_attr_set+0x23/0x28
[    2.646858]  [<ffffffff8101ee85>] ? free_init_pages+0xfb/0x110
[    2.648550]  [<ffffffff810001d8>] ? init_post+0xe/0xb6
[    2.650237]  [<ffffffff817b9bfc>] ? kernel_init+0x122/0x126
[    2.651926]  [<ffffffff81444564>] ? kernel_thread_helper+0x4/0x10
[    2.653602]  [<ffffffff817b9ada>] ? start_kernel+0x34f/0x34f
[    2.655268]  [<ffffffff81444560>] ? gs_change+0x13/0x13
[    2.656920] Disabling lock debugging due to kernel taint