printk: 24767 messages suppressed.
php invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0

Call Trace:
 [<ffffffff802ba171>] out_of_memory+0x70/0x2b9
 [<ffffffff8020f45b>] __alloc_pages+0x24b/0x2d4
 [<ffffffff80212a8f>] __do_page_cache_readahead+0xa7/0x1ee
 [<ffffffff8025f89e>] __wait_on_bit_lock+0x5b/0x66
 [<ffffffff80213469>] filemap_nopage+0x140/0x338
 [<ffffffff802087d8>] __handle_mm_fault+0x1f1/0xc78
 [<ffffffff80262ac1>] do_page_fault+0x458/0x7ca
 [<ffffffff8022fef8>] release_sock+0x19/0xba
 [<ffffffff80260eed>] error_exit+0x0/0x84

Node 0 DMA per-cpu:
CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
CPU    1: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Node 0 DMA32 per-cpu:
CPU    0: Hot: hi:  186, btch:  31 usd: 136   Cold: hi:   62, btch:  15 usd:  44
CPU    1: Hot: hi:  186, btch:  31 usd:  36   Cold: hi:   62, btch:  15 usd:  50
Active:131517 inactive:92139 dirty:0 writeback:0 unstable:0 free:1323 slab:6683 mapped:11 pagetables:12310
Node 0 DMA free:3916kB min:40kB low:48kB high:60kB active:1788kB inactive:4796kB present:10448kB pages_scanned:167332194 all_unreclaimable? yes
lowmem_reserve[]: 0 975 975
Node 0 DMA32 free:1376kB min:3972kB low:4964kB high:5956kB active:524152kB inactive:363888kB present:998992kB pages_scanned:5291514246 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0
Node 0 DMA: 1*4kB 1*8kB 0*16kB 0*32kB 1*64kB 0*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3916kB
Node 0 DMA32: 0*4kB 0*8kB 0*16kB 1*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 1376kB
Swap cache: add 2972360, delete 2972360, find 4775620/5003750, race 12+631
Free swap  = 0kB
Total swap = 2104496kB