Re: [BUG] fatal hang untarring 90GB file, possibly writeback related.

James Bottomley
2011-05-09T18:16:20Z

On Fri, 2011-05-06 at 09:07 +0100, Mel Gorman wrote:
> On Fri, May 06, 2011 at 08:42:24AM +0100, Mel Gorman wrote:
> > 1. High-order allocations? You machine is using i915 and RPC, something
> > neither of my test machine uses. i915 is potentially a source for
> > high-order allocations. I'm attaching a perl script. Please run it as
> > ./watch-highorder.pl --output /tmp/highorders.txt
> > while you are running tar. When kswapd is running for about 30
> > seconds, interrupt it with ctrl+c twice in quick succession and
> > post /tmp/highorders.txt
> >
>
> Attached this time :/

Here's the output (loaded with tar, evolution and firefox). The top
trace is different this time because your perl script perturbs the
system quite a bit. This was with your slub allocation fix applied.

James

---
1 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc+0xb1/0x10d <ffffffff8110dfbb>
=> sg_kmalloc+0x24/0x26 <ffffffff81230eb9>
=> __sg_alloc_table+0x63/0x11c <ffffffff81230dbf>

1 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __page_cache_alloc+0x77/0x7e <ffffffff810d5778>
=> __do_page_cache_readahead+0x9b/0x177 <ffffffff810dd74b>
=> ra_submit+0x21/0x25 <ffffffff810dda8d>
=> ondemand_readahead+0x1c9/0x1d8 <ffffffff810ddc5a>
=> page_cache_sync_readahead+0x3d/0x40 <ffffffff810ddd49>
=> generic_file_aio_read+0x27d/0x5e0 <ffffffff810d64d0>

177 instances order=2 normal gfp_flags=GFP_NOFS|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> radix_tree_preload+0x31/0x81 <ffffffff81229399>
=> add_to_page_cache_locked+0x56/0x118 <ffffffff810d57d5>

1 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_vma+0xf5/0xfa <ffffffff81107001>
=> do_wp_page+0x348/0x560 <ffffffff810ef711>
=> handle_pte_fault+0x73b/0x7a5 <ffffffff810f13b7>
=> handle_mm_fault+0x1bb/0x1ce <ffffffff810f1798>
=> do_page_fault+0x358/0x37a <ffffffff8147416e>
=> page_fault+0x25/0x30 <ffffffff81471415>

46 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> prepare_creds+0x26/0xae <ffffffff81074d4b>
=> sys_faccessat+0x37/0x162 <ffffffff8111d255>

1 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc_node+0x93/0x12d <ffffffff8110e199>
=> __alloc_skb+0x40/0x133 <ffffffff813b5df7>
=> __netdev_alloc_skb+0x1f/0x3b <ffffffff813b5f4a>

1 instances order=2 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> alloc_inode+0x30/0x78 <ffffffff811317f8>
=> new_inode+0x1b/0x4b <ffffffff8113185b>

16 instances order=9 normal gfp_flags=GFP_HIGHUSER_MOVABLE|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_vma+0xf5/0xfa <ffffffff81107001>
=> do_huge_pmd_anonymous_page+0xbf/0x261 <ffffffff81115b6a>
=> handle_mm_fault+0x113/0x1ce <ffffffff810f16f0>
=> do_page_fault+0x358/0x37a <ffffffff8147416e>
=> page_fault+0x25/0x30 <ffffffff81471415>

5 instances order=3 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc_node_track_caller+0xcf/0x131 <ffffffff8110ffa6>
=> __alloc_skb+0x75/0x133 <ffffffff813b5e2c>
=> __netdev_alloc_skb+0x1f/0x3b <ffffffff813b5f4a>

252 instances order=2 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> radix_tree_preload+0x31/0x81 <ffffffff81229399>
=> add_to_page_cache_locked+0x56/0x118 <ffffffff810d57d5>

1 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> skb_clone+0x50/0x70 <ffffffff813b5d97>
=> packet_rcv+0x101/0x2b2 <ffffffff81441e80>

1 instances order=2 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> alloc_inode+0x30/0x78 <ffffffff811317f8>
=> iget_locked+0x61/0xdd <ffffffff8113239a>

1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc+0xb1/0x10d <ffffffff8110dfbb>
=> sg_kmalloc+0x24/0x26 <ffffffff81230eb9>
=> __sg_alloc_table+0x63/0x11c <ffffffff81230dbf>

1 instances order=3 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> copy_process+0x66e/0x10c5 <ffffffff81053961>
=> do_fork+0x104/0x286 <ffffffff810544f7>

1 instances order=1 normal gfp_flags=GFP_KERNEL
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __get_free_pages+0xe/0x4a <ffffffff810d89d2>
=> copy_process+0xe1/0x10c5 <ffffffff810533d4>
=> do_fork+0x104/0x286 <ffffffff810544f7>
=> kernel_thread+0x75/0x77 <ffffffff81010bb6>
=> wait_for_helper+0x6b/0xa3 <ffffffff81068fca>
=> kernel_thread_helper+0x4/0x10 <ffffffff8100a9a4>

133 instances order=9 normal gfp_flags=GFP_HIGHUSER_MOVABLE|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_vma+0xf5/0xfa <ffffffff81107001>
=> khugepaged+0x543/0xf2d <ffffffff81113cc1>
=> kthread+0x84/0x8c <ffffffff8106f2df>
=> kernel_thread_helper+0x4/0x10 <ffffffff8100a9a4>

593 instances order=3 normal gfp_flags=GFP_NOFS|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> ext4_alloc_inode+0x1a/0x111 <ffffffff8119f498>
=> alloc_inode+0x1d/0x78 <ffffffff811317e5>

2 instances order=3 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc+0xb1/0x10d <ffffffff8110dfbb>
=> drm_malloc_ab+0x3b/0x53 [i915] <ffffffffa007fbd2>
=> i915_gem_execbuffer2+0x4f/0x12e [i915] <ffffffffa0080f81>

14 instances order=1 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> d_alloc+0x26/0x18d <ffffffff8112e4c5>
=> shmem_file_setup+0xb6/0x160 <ffffffff810e70ad>

38 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> mmap_region+0x1b7/0x446 <ffffffff810f6555>
=> do_mmap_pgoff+0x298/0x2f2 <ffffffff810f6a7c>

1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> idr_pre_get+0x2d/0x6f <ffffffff812266c4>
=> drm_gem_handle_create+0x2f/0x82 [drm] <ffffffffa0024f75>

400 instances order=1 normal gfp_flags=GFP_KERNEL
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __get_free_pages+0xe/0x4a <ffffffff810d89d2>
=> copy_process+0xe1/0x10c5 <ffffffff810533d4>
=> do_fork+0x104/0x286 <ffffffff810544f7>
=> sys_clone+0x28/0x2a <ffffffff8101150e>
=> stub_clone+0x13/0x20 <ffffffff81009ea3>

9 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc_node+0x93/0x12d <ffffffff8110e199>
=> __alloc_skb+0x40/0x133 <ffffffff813b5df7>
=> sock_alloc_send_pskb+0xb4/0x2d7 <ffffffff813b238a>

1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_REPEAT|GFP_COMP
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_vma+0xf5/0xfa <ffffffff81107001>
=> handle_pte_fault+0x16f/0x7a5 <ffffffff810f0deb>
=> handle_mm_fault+0x1bb/0x1ce <ffffffff810f1798>
=> do_page_fault+0x358/0x37a <ffffffff8147416e>
=> page_fault+0x25/0x30 <ffffffff81471415>
=> unix_stream_recvmsg+0x40f/0x536 <ffffffff8143dbe0>
=> sock_aio_read.part.7+0x10d/0x121 <ffffffff813afa54>

2 instances order=1 normal gfp_flags=GFP_KERNEL
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __get_free_pages+0xe/0x4a <ffffffff810d89d2>
=> copy_process+0xe1/0x10c5 <ffffffff810533d4>
=> do_fork+0x104/0x286 <ffffffff810544f7>
=> kernel_thread+0x75/0x77 <ffffffff81010bb6>
=> __call_usermodehelper+0x43/0x76 <ffffffff81069132>
=> process_one_work+0x186/0x298 <ffffffff8106b3ca>

14 instances order=3 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc_node_track_caller+0xcf/0x131 <ffffffff8110ffa6>
=> __alloc_skb+0x75/0x133 <ffffffff813b5e2c>
=> sock_alloc_send_pskb+0xb4/0x2d7 <ffffffff813b238a>

781 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_REPEAT|GFP_COMP
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> kmalloc_large_node+0x56/0x95 <ffffffff8146a55d>
=> __kmalloc_node_track_caller+0x31/0x131 <ffffffff8110ff08>
=> __alloc_skb+0x75/0x133 <ffffffff813b5e2c>
=> sock_alloc_send_pskb+0xb4/0x2d7 <ffffffff813b238a>
=> sock_alloc_send_skb+0x15/0x17 <ffffffff813b25c2>
=> unix_stream_sendmsg+0x11e/0x2ec <ffffffff8143d217>
=> __sock_sendmsg+0x69/0x76 <ffffffff813af778>

1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __get_free_pages+0xe/0x4a <ffffffff810d89d2>
=> __pollwait+0x5e/0xcc <ffffffff8112c9e7>
=> sock_poll_wait+0x18/0x1d <ffffffff8143cc50>
=> unix_poll+0x1c/0x9a <ffffffff8143cc71>
=> sock_poll+0x1a/0x1c <ffffffff813ad41a>
=> do_sys_poll+0x1fa/0x386 <ffffffff8112d75d>

48 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> __split_vma+0x6c/0x21b <ffffffff810f5099>
=> split_vma+0x20/0x22 <ffffffff810f59a6>

3 instances order=3 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> sk_prot_alloc+0x37/0x13a <ffffffff813b27d4>
=> sk_alloc+0x2c/0x8e <ffffffff813b2935>

24 instances order=2 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> proc_alloc_inode+0x20/0x91 <ffffffff8116829c>
=> alloc_inode+0x1d/0x78 <ffffffff811317e5>

1 instances order=1 normal gfp_flags=GFP_NOFS|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_RECLAIMABLE|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> ext4_mb_new_blocks+0x118/0x3c2 <ffffffff811b73a7>
=> ext4_ext_map_blocks+0x192b/0x1b5b <ffffffff811b0a5d>

5 instances order=2 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> sock_alloc_inode+0x1d/0xaa <ffffffff813ad605>
=> alloc_inode+0x1d/0x78 <ffffffff811317e5>

3 instances order=2 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> dst_alloc+0x48/0xaa <ffffffff813c6652>
=> __ip_route_output_key+0x561/0x764 <ffffffff813ee4f3>

3 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __get_free_pages+0xe/0x4a <ffffffff810d89d2>
=> __pollwait+0x5e/0xcc <ffffffff8112c9e7>
=> sock_poll_wait+0x18/0x1d <ffffffff8143cc50>
=> unix_poll+0x1c/0x9a <ffffffff8143cc71>
=> sock_poll+0x1a/0x1c <ffffffff813ad41a>
=> do_select+0x2fb/0x4f5 <ffffffff8112cf13>

4 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> __split_vma+0x6c/0x21b <ffffffff810f5099>
=> do_munmap+0x194/0x30b <ffffffff810f57ad>

229 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> dup_mm+0x1f8/0x486 <ffffffff81053039>
=> copy_process+0x917/0x10c5 <ffffffff81053c0a>

1 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> bprm_mm_init+0x70/0x1a0 <ffffffff811239aa>
=> do_execve+0xd6/0x277 <ffffffff81123dd4>

2 instances order=2 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc_node_track_caller+0xcf/0x131 <ffffffff8110ffa6>
=> __alloc_skb+0x75/0x133 <ffffffff813b5e2c>
=> find_skb+0x3a/0x82 <ffffffff813d1996>

2 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> __split_vma+0x6c/0x21b <ffffffff810f5099>
=> do_munmap+0x15f/0x30b <ffffffff810f5778>

1 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_vma+0xf5/0xfa <ffffffff81107001>
=> handle_pte_fault+0x16f/0x7a5 <ffffffff810f0deb>
=> handle_mm_fault+0x1bb/0x1ce <ffffffff810f1798>
=> do_page_fault+0x358/0x37a <ffffffff8147416e>
=> page_fault+0x25/0x30 <ffffffff81471415>

501 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> get_empty_filp+0x7a/0x141 <ffffffff8111f2d1>
=> do_filp_open+0xe7/0x60a <ffffffff81129bcf>

18 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> bvec_alloc_bs+0xae/0xcc <ffffffff81144d61>
=> bio_alloc_bioset+0x75/0xc3 <ffffffff81144df4>

1370 instances order=1 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> d_alloc+0x26/0x18d <ffffffff8112e4c5>
=> d_alloc_and_lookup+0x2c/0x6b <ffffffff81126d0e>

1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc+0xb1/0x10d <ffffffff8110dfbb>
=> kzalloc.constprop.1+0x13/0x15 [i915] <ffffffffa007fbfd>
=> i915_gem_do_execbuffer+0x306/0x1116 [i915] <ffffffffa007ff05>

1 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> taskstats_exit+0x5b/0x2e3 <ffffffff810b0810>
=> do_exit+0x22a/0x6ef <ffffffff8105841f>

17 instances order=1 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> d_alloc+0x26/0x18d <ffffffff8112e4c5>
=> proc_fill_cache+0x82/0x135 <ffffffff8116903b>

99 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> mempool_alloc_slab+0x15/0x17 <ffffffff810d6e81>
=> mempool_alloc+0x68/0x116 <ffffffff810d70f6>

1 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> inet_twsk_alloc+0x31/0x11e <ffffffff813f8a16>
=> tcp_time_wait+0xb9/0x29a <ffffffff8140e24f>

26 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __page_cache_alloc+0x77/0x7e <ffffffff810d5778>
=> grab_cache_page_write_begin+0x54/0x9e <ffffffff810d5943>
=> ext4_da_write_begin+0x13f/0x20e <ffffffff81196376>
=> generic_file_buffered_write+0x109/0x23a <ffffffff810d5408>
=> __generic_file_aio_write+0x242/0x272 <ffffffff810d617d>
=> generic_file_aio_write+0x58/0xa6 <ffffffff810d6205>

1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc+0xb1/0x10d <ffffffff8110dfbb>
=> drm_malloc_ab+0x3b/0x53 [i915] <ffffffffa007fbd2>
=> i915_gem_do_execbuffer+0x64a/0x1116 [i915] <ffffffffa0080249>

6 instances order=1 normal gfp_flags=GFP_KERNEL
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __get_free_pages+0xe/0x4a <ffffffff810d89d2>
=> copy_process+0xe1/0x10c5 <ffffffff810533d4>
=> do_fork+0x104/0x286 <ffffffff810544f7>
=> kernel_thread+0x75/0x77 <ffffffff81010bb6>
=> kthreadd+0xe7/0x124 <ffffffff8106f61f>
=> kernel_thread_helper+0x4/0x10 <ffffffff8100a9a4>

2 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc_node+0x93/0x12d <ffffffff8110e199>
=> __alloc_skb+0x40/0x133 <ffffffff813b5df7>
=> find_skb+0x3a/0x82 <ffffffff813d1996>

131 instances order=1 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> scsi_pool_alloc_command+0x29/0x68 <ffffffff812f3047>
=> scsi_host_alloc_command+0x1f/0x6b <ffffffff812f30cd>

6 instances order=1 normal gfp_flags=GFP_TEMPORARY|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> d_alloc+0x26/0x18d <ffffffff8112e4c5>
=> d_alloc_pseudo+0x18/0x46 <ffffffff8112e6a7>

6 instances order=3 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> bvec_alloc_bs+0xae/0xcc <ffffffff81144d61>
=> bio_alloc_bioset+0x75/0xc3 <ffffffff81144df4>

11 instances order=3 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> shmem_alloc_inode+0x1a/0x2f <ffffffff810e58a0>
=> alloc_inode+0x1d/0x78 <ffffffff811317e5>

4 instances order=3 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc+0xb1/0x10d <ffffffff8110dfbb>
=> drm_malloc_ab+0x3b/0x53 [i915] <ffffffffa007fbd2>
=> i915_gem_do_execbuffer+0x64a/0x1116 [i915] <ffffffffa0080249>

680 instances order=3 atomic gfp_flags=GFP_ATOMIC|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> mempool_alloc_slab+0x15/0x17 <ffffffff810d6e81>
=> mempool_alloc+0x68/0x116 <ffffffff810d70f6>

8 instances order=3 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> copy_process+0xc6/0x10c5 <ffffffff810533b9>
=> do_fork+0x104/0x286 <ffffffff810544f7>

4 instances order=9 normal gfp_flags=GFP_HIGHUSER_MOVABLE|GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_vma+0xf5/0xfa <ffffffff81107001>
=> do_huge_pmd_wp_page+0x15a/0x637 <ffffffff81114a01>
=> handle_mm_fault+0x169/0x1ce <ffffffff810f1746>
=> do_page_fault+0x358/0x37a <ffffffff8147416e>
=> page_fault+0x25/0x30 <ffffffff81471415>

193 instances order=2 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> mempool_alloc_slab+0x15/0x17 <ffffffff810d6e81>
=> mempool_alloc+0x68/0x116 <ffffffff810d70f6>

140358 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> mempool_alloc_slab+0x15/0x17 <ffffffff810d6e81>
=> mempool_alloc+0x68/0x116 <ffffffff810d70f6>

3 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_REPEAT|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc_node_track_caller+0xcf/0x131 <ffffffff8110ffa6>
=> __alloc_skb+0x75/0x133 <ffffffff813b5e2c>
=> sock_alloc_send_pskb+0xb4/0x2d7 <ffffffff813b238a>

17 instances order=1 normal gfp_flags=GFP_NOWARN|GFP_NORETRY|GFP_COMP|GFP_NOMEMALLOC|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __page_cache_alloc+0x77/0x7e <ffffffff810d5778>
=> __do_page_cache_readahead+0x9b/0x177 <ffffffff810dd74b>
=> ra_submit+0x21/0x25 <ffffffff810dda8d>
=> ondemand_readahead+0x1c9/0x1d8 <ffffffff810ddc5a>
=> page_cache_async_readahead+0x7b/0xa3 <ffffffff810ddce4>
=> generic_file_aio_read+0x2bd/0x5e0 <ffffffff810d6510>

9 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> __kmalloc+0xb1/0x10d <ffffffff8110dfbb>
=> kzalloc.constprop.15+0x13/0x15 [i915] <ffffffffa007a956>
=> i915_gem_alloc_object+0x27/0x111 [i915] <ffffffffa007e4b3>

14 instances order=1 normal gfp_flags=GFP_KERNEL|GFP_NOWARN|GFP_NORETRY|GFP_COMP|
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> alloc_slab_page+0x1c/0x4d <ffffffff8110c5da>
=> new_slab+0x50/0x199 <ffffffff8110dc24>
=> __slab_alloc+0x24a/0x328 <ffffffff8146ab66>
=> kmem_cache_alloc+0x77/0x105 <ffffffff8110e42c>
=> get_empty_filp+0x7a/0x141 <ffffffff8111f2d1>
=> alloc_file+0x1e/0xbf <ffffffff8111f3b6>

1 instances order=2 normal gfp_flags=GFP_KERNEL|GFP_COMP|GFP_ZERO
=> __alloc_pages_nodemask+0x737/0x772 <ffffffff810dc0bd>
=> alloc_pages_current+0xbe/0xd8 <ffffffff81105435>
=> __get_free_pages+0xe/0x4a <ffffffff810d89d2>
=> kmalloc_order_trace+0x2c/0x5e <ffffffff8110c718>
=> __kmalloc+0x37/0x10d <ffffffff8110df41>
=> kzalloc.constprop.19+0xe/0x10 <ffffffff810b8d8c>
=> tracing_open_pipe+0x40/0x147 <ffffffff810b907a>
=> __dentry_open+0x161/0x283 <ffffffff8111c95c>

High-order normal allocations: 145450
High-order atomic allocations: 927

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