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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . 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