kworker - page allocation failure

[228016.323857] kworker/0:0: page allocation failure: order:5, mode:0x4020
[228016.323912] Pid: 0, comm: kworker/0:0 Not tainted 3.0.4p4 #3
[228016.323956] Call Trace:
[228016.323995]  <IRQ>  [<ffffffff810be913>] warn_alloc_failed+0xf3/0x170
[228016.324108]  [<ffffffff810430dd>] ? default_wake_function+0xd/0x10
[228016.324166]  [<ffffffff81067e11>] ? autoremove_wake_function+0x11/0x40
[228016.324226]  [<ffffffff8103649e>] ? __wake_up+0x4e/0x70
[228016.324277]  [<ffffffff810bfa70>] __alloc_pages_nodemask+0x5b0/0x810
[228016.324334]  [<ffffffff81077e4a>] ? tick_program_event+0x1a/0x20
[228016.324386]  [<ffffffff810f799c>] kmalloc_large_node+0x5c/0xb0
[228016.324439]  [<ffffffff810f977d>] __kmalloc_node_track_caller+0x13d/0x180
[228016.324496]  [<ffffffff814c9058>] ? skb_copy+0x38/0xa0
[228016.324550]  [<ffffffff814c741a>] __alloc_skb+0x7a/0x170
[228016.324601]  [<ffffffff814c9058>] skb_copy+0x38/0xa0
[228016.324651]  [<ffffffff8146c8c7>] tg3_start_xmit+0x957/0xd90
[228016.324704]  [<ffffffff814d3650>] dev_hard_start_xmit+0x410/0x6b0
[228016.324754]  [<ffffffff814ec8f7>] sch_direct_xmit+0x177/0x1d0
[228016.324808]  [<ffffffff814d4b9a>] dev_queue_xmit+0x39a/0x5c0
[228016.324861]  [<ffffffff814ff232>] ip_finish_output+0x132/0x330
[228016.324916]  [<ffffffff814ff4d8>] ip_output+0xa8/0xb0
[228016.324967]  [<ffffffff814fddf4>] ip_local_out+0x24/0x30
[228016.325037]  [<ffffffff814fe325>] ip_queue_xmit+0x1c5/0x3c0
[228016.325091]  [<ffffffff81513ea1>] tcp_transmit_skb+0x521/0x900
[228016.325157]  [<ffffffff8151650b>] tcp_write_xmit+0x20b/0xaa0
[228016.325214]  [<ffffffff81516e01>] __tcp_push_pending_frames+0x21/0x70
[228016.325273]  [<ffffffff8150d8a0>] tcp_data_snd_check+0x40/0x120
[228016.325326]  [<ffffffff815120a4>] tcp_rcv_established+0x364/0x630
[228016.325380]  [<ffffffff8151b774>] tcp_v4_do_rcv+0x154/0x2d0
[228016.325434]  [<ffffffff8151bf7b>] tcp_v4_rcv+0x68b/0x810
[228016.325489]  [<ffffffff814f97c5>] ip_local_deliver_finish+0xc5/0x190
[228016.325542]  [<ffffffff814f991d>] ip_local_deliver+0x8d/0xa0
[228016.325597]  [<ffffffff814f9242>] ip_rcv_finish+0x172/0x340
[228016.325647]  [<ffffffff814f967b>] ip_rcv+0x26b/0x2f0
[228016.325698]  [<ffffffff814cf590>] __netif_receive_skb+0x280/0x480
[228016.325756]  [<ffffffff814d5438>] netif_receive_skb+0x78/0x80
[228016.325807]  [<ffffffff814d5570>] napi_skb_finish+0x50/0x70
[228016.325859]  [<ffffffff814d5a25>] napi_gro_receive+0xc5/0xd0
[228016.325914]  [<ffffffff81464476>] tg3_poll_work+0x8e6/0xe80
[228016.325964]  [<ffffffff81071c57>] ? ktime_get+0x67/0xe0
[228016.326039]  [<ffffffff81076537>] ? clockevents_program_event+0x57/0xa0
[228016.326093]  [<ffffffff81077d1b>] ? tick_dev_program_event+0x3b/0x110
[228016.326150]  [<ffffffff8106bd6d>] ? hrtimer_interrupt+0x10d/0x1f0
[228016.326203]  [<ffffffff8146af6e>] tg3_poll+0x6e/0x390
[228016.326256]  [<ffffffff814d5bea>] net_rx_action+0x10a/0x2b0
[228016.326311]  [<ffffffff8104d2c0>] __do_softirq+0xd0/0x1c0
[228016.326364]  [<ffffffff81589e0c>] call_softirq+0x1c/0x30
[228016.326414]  [<ffffffff81004a05>] do_softirq+0x55/0x90
[228016.326466]  [<ffffffff8104d0bd>] irq_exit+0x7d/0xa0
[228016.326520]  [<ffffffff810041e4>] do_IRQ+0x64/0xe0
[228016.326568]  [<ffffffff81588693>] common_interrupt+0x13/0x13
[228016.326621]  <EOI>  [<ffffffff81314e2f>] ? acpi_idle_enter_simple+0xc8/0xfb
[228016.326700]  [<ffffffff81314e28>] ? acpi_idle_enter_simple+0xc1/0xfb
[228016.326755]  [<ffffffff814b0e4c>] cpuidle_idle_call+0xdc/0x1a0
[228016.326811]  [<ffffffff8100208d>] cpu_idle+0xad/0xf0
[228016.326860]  [<ffffffff8157fc3a>] start_secondary+0x201/0x297