idle: page allocation failure. order:1, mode:0x20
 [<b0141ffb>] __alloc_pages+0x20b/0x300
 [<b0159c03>] cache_alloc_refill+0x2c3/0x4e0
 [<b0159e79>] __kmalloc+0x59/0x60
 [<b03cdc94>] __alloc_skb+0x64/0x120
 [<b03f6bbf>] tcp_collapse+0x19f/0x360
 [<b03f6e8c>] tcp_prune_queue+0x10c/0x2d0
 [<b03cc126>] sock_def_readable+0x66/0x70
 [<b03f7835>] tcp_data_queue+0x7e5/0xbf0
 [<b03ce352>] kfree_skbmem+0x42/0xd0
 [<b03f9344>] tcp_rcv_established+0x364/0x6b0
 [<b03d2979>] dev_queue_xmit_nit+0xe9/0x120
 [<b03e39ed>] ip_route_input+0x3d/0xc20
 [<b03ff62a>] tcp_v4_do_rcv+0xca/0x2f0
 [<b03d4166>] dev_queue_xmit+0xe6/0x290
 [<b0401a28>] tcp_v4_rcv+0x828/0x830
 [<b03e6184>] ip_local_deliver+0xa4/0x130
 [<b03e656f>] ip_rcv+0x25f/0x420
 [<b03d2712>] netif_receive_skb+0x162/0x1e0
 [<b03d3fd2>] process_backlog+0x72/0x120
 [<b03d3df5>] net_rx_action+0x65/0xf0
 [<b011ac03>] __do_softirq+0x43/0x90
 [<b01044ac>] do_softirq+0x5c/0xb0
 =======================
 [<b013ba50>] handle_level_irq+0x0/0xc0
 [<b0104419>] do_IRQ+0x69/0xa0
 [<b0102642>] common_interrupt+0x1a/0x20
 [<b01017d2>] default_idle+0x32/0x60
 [<b010183d>] cpu_idle+0x3d/0x60
 [<b04f06fa>] start_kernel+0x26a/0x2f0
 [<b04f0230>] unknown_bootoption+0x0/0x260
Mem-info:
DMA per-cpu:
cpu 0 hot: high 0, batch 1 used:0
cpu 0 cold: high 0, batch 1 used:0
DMA32 per-cpu: empty
Normal per-cpu:
cpu 0 hot: high 186, batch 31 used:161
cpu 0 cold: high 62, batch 15 used:53
HighMem per-cpu: empty
Free pages:       21708kB (0kB HighMem)
Active:151552 inactive:84358 dirty:462 writeback:0 unstable:0 free:5427 slab:13542 mapped:128695 pagetables:677
DMA free:4056kB min:60kB low:72kB high:88kB active:5572kB inactive:740kB present:16384kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 1007 1007
DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 1007 1007
Normal free:17652kB min:4028kB low:5032kB high:6040kB active:600636kB inactive:336692kB present:1032128kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
DMA: 144*4kB 1*8kB 1*16kB 0*32kB 0*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4056kB
DMA32: empty
Normal: 4223*4kB 1*8kB 1*16kB 1*32kB 1*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 17652kB
HighMem: empty
Swap cache: add 884, delete 884, find 4/8, race 0+0
Free swap  = 1766744kB
Total swap = 1767128kB
Free swap:       1766744kB
262128 pages of RAM
0 pages of HIGHMEM
3685 reserved pages
150512 pages shared
0 pages swap cached
462 pages dirty
0 pages writeback
128695 pages mapped
13542 pages slab
677 pages pagetables