Trace of the bad thing about to happen.
madvise06-4719 [003] ....... 1187.428766: handle_mm_fault
<-__do_page_fault
madvise06-4719 [003] ....... 1187.428766: __rcu_read_lock
<-handle_mm_fault
madvise06-4719 [003] ....... 1187.428766: mem_cgroup_from_task
<-handle_mm_fault
madvise06-4719 [003] ....... 1187.428766: __rcu_read_unlock
<-handle_mm_fault
madvise06-4719 [003] ....... 1187.428766: __do_fault <-handle_mm_fault
madvise06-4719 [003] ....... 1187.428766: shmem_fault <-__do_fault
madvise06-4719 [003] ....... 1187.428766: shmem_getpage_gfp
<-shmem_fault
madvise06-4719 [003] ....... 1187.428766: find_lock_entry
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428766: find_get_entry
<-find_lock_entry
madvise06-4719 [003] ....... 1187.428766: __rcu_read_lock
<-find_get_entry
madvise06-4719 [003] ....... 1187.428766: __rcu_read_unlock
<-find_get_entry
madvise06-4719 [003] ....... 1187.428766: shmem_alloc_page
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428766: mpol_shared_policy_lookup
<-shmem_alloc_page
madvise06-4719 [003] ....... 1187.428766: alloc_pages_vma
<-shmem_alloc_page
madvise06-4719 [003] ....... 1187.428766: get_vma_policy
<-alloc_pages_vma
madvise06-4719 [003] ....... 1187.428766: __get_vma_policy
<-get_vma_policy
madvise06-4719 [003] ....... 1187.428766: get_task_policy.part.40
<-alloc_pages_vma
madvise06-4719 [003] ....... 1187.428766: policy_nodemask
<-alloc_pages_vma
madvise06-4719 [003] ....... 1187.428767: policy_zonelist
<-alloc_pages_vma
madvise06-4719 [003] ....... 1187.428767: __alloc_pages_nodemask
<-alloc_pages_vma
madvise06-4719 [003] ....... 1187.428767: get_page_from_freelist
<-__alloc_pages_nodemask
madvise06-4719 [003] ....... 1187.428767: migrate_disable
<-get_page_from_freelist
madvise06-4719 [003] ....11. 1187.428767: pin_current_cpu
<-migrate_disable
madvise06-4719 [003] .....11 1187.428767: rt_spin_lock__no_mg
<-get_page_from_freelist
madvise06-4719 [003] .....11 1187.428767: __inc_zone_state
<-get_page_from_freelist
madvise06-4719 [003] .....11 1187.428767: __inc_zone_state
<-get_page_from_freelist
madvise06-4719 [003] .....11 1187.428767: rt_spin_unlock__no_mg
<-get_page_from_freelist
madvise06-4719 [003] .....11 1187.428767: migrate_enable
<-get_page_from_freelist
madvise06-4719 [003] ....11. 1187.428767: unpin_current_cpu
<-migrate_enable
madvise06-4719 [003] ....... 1187.428767: mem_cgroup_try_charge
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428767: get_mem_cgroup_from_mm
<-mem_cgroup_try_charge
madvise06-4719 [003] ....... 1187.428767: __rcu_read_lock
<-get_mem_cgroup_from_mm
madvise06-4719 [003] ....... 1187.428767: __rcu_read_unlock
<-get_mem_cgroup_from_mm
madvise06-4719 [003] ....... 1187.428767: try_charge
<-mem_cgroup_try_charge
madvise06-4719 [003] ....... 1187.428767: migrate_disable <-try_charge
madvise06-4719 [003] ....11. 1187.428768: pin_current_cpu
<-migrate_disable
madvise06-4719 [003] .....11 1187.428768: rt_spin_lock__no_mg
<-try_charge
madvise06-4719 [003] .....11 1187.428768: rt_spin_unlock__no_mg
<-try_charge
madvise06-4719 [003] .....11 1187.428768: migrate_enable <-try_charge
madvise06-4719 [003] ....11. 1187.428768: unpin_current_cpu
<-migrate_enable
madvise06-4719 [003] ....... 1187.428768: page_counter_try_charge
<-try_charge
madvise06-4719 [003] ....... 1187.428768: migrate_disable <-try_charge
madvise06-4719 [003] ....11. 1187.428768: pin_current_cpu
<-migrate_disable
madvise06-4719 [003] .....11 1187.428768: rt_spin_lock__no_mg
<-try_charge
madvise06-4719 [003] .....11 1187.428768: rt_spin_unlock__no_mg
<-try_charge
madvise06-4719 [003] .....11 1187.428768: migrate_enable <-try_charge
madvise06-4719 [003] ....11. 1187.428768: unpin_current_cpu
<-migrate_enable
madvise06-4719 [003] ....... 1187.428768: page_counter_try_charge
<-try_charge
madvise06-4719 [003] ....... 1187.428768: shmem_add_to_page_cache
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428768: rt_spin_lock
<-shmem_add_to_page_cache
madvise06-4719 [003] ....... 1187.428768: migrate_disable
<-rt_spin_lock
madvise06-4719 [003] ....11. 1187.428769: pin_current_cpu
<-migrate_disable
madvise06-4719 [003] .....11 1187.428769: kmem_cache_alloc
<-radix_tree_node_alloc.constprop.25
madvise06-4719 [003] .....11 1187.428769: memcg_kmem_get_cache
<-kmem_cache_alloc
madvise06-4719 [003] .....11 1187.428769: get_mem_cgroup_from_mm
<-memcg_kmem_get_cache
madvise06-4719 [003] .....11 1187.428769: __rcu_read_lock
<-get_mem_cgroup_from_mm
madvise06-4719 [003] .....11 1187.428769: __rcu_read_unlock
<-get_mem_cgroup_from_mm
madvise06-4719 [003] .....11 1187.428769: __rcu_read_lock
<-memcg_kmem_get_cache
madvise06-4719 [003] .....11 1187.428769: __rcu_read_unlock
<-memcg_kmem_get_cache
madvise06-4719 [003] .....11 1187.428769: __slab_alloc.isra.76
<-kmem_cache_alloc
madvise06-4719 [003] d....11 1187.428769: ___slab_alloc
<-__slab_alloc.isra.76
madvise06-4719 [003] d....11 1187.428769: get_partial_node.isra.65
<-___slab_alloc
madvise06-4719 [003] d....11 1187.428770: mempolicy_slab_node
<-___slab_alloc
madvise06-4719 [003] d....11 1187.428770: new_slab <-___slab_alloc
madvise06-4719 [003] .....11 1187.428770: alloc_pages_current
<-new_slab
madvise06-4719 [003] .....11 1187.428770: get_task_policy.part.40
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428770: policy_nodemask
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428770: policy_zonelist
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428770: __alloc_pages_nodemask
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428770: get_page_from_freelist
<-__alloc_pages_nodemask
madvise06-4719 [003] .....11 1187.428770: __zone_watermark_ok
<-get_page_from_freelist
madvise06-4719 [003] .....11 1187.428770: migrate_disable
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428770: rt_spin_lock__no_mg
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428770: rt_spin_lock
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428770: migrate_disable
<-rt_spin_lock
madvise06-4719 [003] .....13 1187.428771: __rmqueue
<-get_page_from_freelist
madvise06-4719 [003] .....13 1187.428771: __mod_zone_page_state
<-get_page_from_freelist
madvise06-4719 [003] .....13 1187.428771: rt_spin_unlock
<-get_page_from_freelist
madvise06-4719 [003] .....13 1187.428771: migrate_enable
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428771: __inc_zone_state
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428771: __inc_zone_state
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428771: rt_spin_unlock__no_mg
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428771: migrate_enable
<-get_page_from_freelist
madvise06-4719 [003] .....11 1187.428771: memcg_kmem_charge_memcg
<-new_slab
madvise06-4719 [003] .....11 1187.428771: try_charge
<-memcg_kmem_charge_memcg
madvise06-4719 [003] .....11 1187.428771: migrate_disable <-try_charge
madvise06-4719 [003] .....12 1187.428771: rt_spin_lock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428771: rt_spin_unlock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428772: migrate_enable <-try_charge
madvise06-4719 [003] .....11 1187.428772: page_counter_try_charge
<-try_charge
madvise06-4719 [003] .....11 1187.428772: migrate_disable <-try_charge
madvise06-4719 [003] .....12 1187.428772: rt_spin_lock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428772: rt_spin_unlock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428772: migrate_enable <-try_charge
madvise06-4719 [003] .....11 1187.428772: page_counter_try_charge
<-try_charge
madvise06-4719 [003] .....11 1187.428772: __free_pages <-new_slab
madvise06-4719 [003] .....11 1187.428772: __free_pages_ok <-new_slab
madvise06-4719 [003] .....11 1187.428772: migrate_disable
<-__free_pages_ok
madvise06-4719 [003] .....12 1187.428772: rt_spin_lock__no_mg
<-__free_pages_ok
madvise06-4719 [003] .....12 1187.428772: free_one_page
<-__free_pages_ok
madvise06-4719 [003] .....12 1187.428772: rt_spin_lock <-free_one_page
madvise06-4719 [003] .....12 1187.428773: migrate_disable
<-rt_spin_lock
madvise06-4719 [003] .....13 1187.428773: node_page_state
<-free_one_page
madvise06-4719 [003] .....13 1187.428773: __mod_zone_page_state
<-free_one_page
madvise06-4719 [003] .....13 1187.428773: rt_spin_unlock
<-__free_pages_ok
madvise06-4719 [003] .....13 1187.428773: migrate_enable
<-__free_pages_ok
madvise06-4719 [003] .....12 1187.428773: rt_spin_unlock__no_mg
<-__free_pages_ok
madvise06-4719 [003] .....12 1187.428773: migrate_enable <-new_slab
madvise06-4719 [003] .....11 1187.428773: alloc_pages_current
<-new_slab
madvise06-4719 [003] .....11 1187.428773: get_task_policy.part.40
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428773: policy_nodemask
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428773: policy_zonelist
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428773: __alloc_pages_nodemask
<-alloc_pages_current
madvise06-4719 [003] .....11 1187.428773: get_page_from_freelist
<-__alloc_pages_nodemask
madvise06-4719 [003] .....11 1187.428773: migrate_disable
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428774: rt_spin_lock__no_mg
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428774: __inc_zone_state
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428774: __inc_zone_state
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428774: rt_spin_unlock__no_mg
<-get_page_from_freelist
madvise06-4719 [003] .....12 1187.428774: migrate_enable
<-get_page_from_freelist
madvise06-4719 [003] .....11 1187.428774: memcg_kmem_charge_memcg
<-new_slab
madvise06-4719 [003] .....11 1187.428774: try_charge
<-memcg_kmem_charge_memcg
madvise06-4719 [003] .....11 1187.428774: migrate_disable <-try_charge
madvise06-4719 [003] .....12 1187.428774: rt_spin_lock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428774: rt_spin_unlock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428774: migrate_enable <-try_charge
madvise06-4719 [003] .....11 1187.428774: page_counter_try_charge
<-try_charge
madvise06-4719 [003] .....11 1187.428774: migrate_disable <-try_charge
madvise06-4719 [003] .....12 1187.428774: rt_spin_lock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428774: rt_spin_unlock__no_mg
<-try_charge
madvise06-4719 [003] .....12 1187.428775: migrate_enable <-try_charge
madvise06-4719 [003] .....11 1187.428775: page_counter_try_charge
<-try_charge
madvise06-4719 [003] .....11 1187.428775: __free_pages <-new_slab
madvise06-4719 [003] .....11 1187.428775: free_hot_cold_page <-new_slab
madvise06-4719 [003] .....11 1187.428775: migrate_disable
<-free_hot_cold_page
madvise06-4719 [003] .....12 1187.428775: rt_spin_lock__no_mg
<-free_hot_cold_page
madvise06-4719 [003] .....12 1187.428775: rt_spin_unlock__no_mg
<-free_hot_cold_page
madvise06-4719 [003] .....12 1187.428775: migrate_enable
<-free_hot_cold_page
madvise06-4719 [003] d....11 1187.428775: slab_out_of_memory
<-___slab_alloc
madvise06-4719 [003] .....11 1187.428775: free_delayed
<-__slab_alloc.isra.76
madvise06-4719 [003] .....11 1187.428775: memcg_kmem_put_cache
<-kmem_cache_alloc
madvise06-4719 [003] .....11 1187.428775: rt_spin_unlock
<-shmem_add_to_page_cache
madvise06-4719 [003] .....11 1187.428776: migrate_enable
<-shmem_add_to_page_cache
madvise06-4719 [003] ....11. 1187.428776: unpin_current_cpu
<-migrate_enable
madvise06-4719 [003] ....... 1187.428776: mem_cgroup_cancel_charge
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428776: cancel_charge
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428776: page_counter_uncharge
<-cancel_charge
madvise06-4719 [003] ....... 1187.428776: page_counter_cancel
<-page_counter_uncharge
madvise06-4719 [003] ....... 1187.428776: page_counter_cancel
<-page_counter_uncharge
madvise06-4719 [003] ....... 1187.428776: unlock_page
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428776: __put_page
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428776: __page_cache_release
<-__put_page
madvise06-4719 [003] ....... 1187.428777: mem_cgroup_uncharge
<-__put_page
madvise06-4719 [003] ....... 1187.428777: free_hot_cold_page
<-shmem_getpage_gfp
madvise06-4719 [003] ....... 1187.428777: migrate_disable
<-free_hot_cold_page
madvise06-4719 [003] ....11. 1187.428777: pin_current_cpu
<-migrate_disable
madvise06-4719 [003] .....11 1187.428777: rt_spin_lock__no_mg
<-free_hot_cold_page
madvise06-4719 [003] .....11 1187.428777: rt_spin_unlock__no_mg
<-free_hot_cold_page
madvise06-4719 [003] .....11 1187.428777: migrate_enable
<-free_hot_cold_page
madvise06-4719 [003] ....11. 1187.428777: unpin_current_cpu
<-migrate_enable
madvise06-4719 [003] ....... 1187.428777: rt_up_read <-__do_page_fault
madvise06-4719 [003] ....... 1187.428777: rt_mutex_unlock
<-__do_page_fault
madvise06-4719 [003] ....... 1187.428778: mm_fault_error
<-do_page_fault
madvise06-4719 [003] ....... 1187.428778: pagefault_out_of_memory
<-do_page_fault
