linux-IllusionX/mm
David Rientjes 8a7ff02aca mm, oom: dump stack of victim when reaping failed
When a process cannot be oom reaped, for whatever reason, currently the
list of locks that are held is currently dumped to the kernel log.

Much more interesting is the stack trace of the victim that cannot be
reaped.  If the stack trace is dumped, we have the ability to find
related occurrences in the same kernel code and hopefully solve the
issue that is making it wedged.

Dump the stack trace when a process fails to be oom reaped.

Link: http://lkml.kernel.org/r/alpine.DEB.2.21.2001141519280.200484@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31 10:30:38 -08:00
..
kasan x86/kasan: Print original address on #GP 2019-12-31 13:15:38 +01:00
backing-dev.c memcg: fix a crash in wb_workfn when a device disappears 2020-01-31 10:30:36 -08:00
balloon_compaction.c mm/balloon_compaction: suppress allocation warnings 2019-09-04 07:42:01 -04:00
cleancache.c
cma.c mm/cma.c: switch to bitmap_zalloc() for cma bitmap allocation 2019-12-01 12:59:09 -08:00
cma.h
cma_debug.c mm/cma_debug.c: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops 2019-12-01 12:59:09 -08:00
compaction.c mm, compaction: fix wrong pfn handling in __reset_isolation_pfn() 2019-10-14 15:04:01 -07:00
debug.c mm/debug.c: always print flags in dump_page() 2020-01-31 10:30:36 -08:00
debug_page_ref.c
dmapool.c
early_ioremap.c mm/early_ioremap.c: use %pa to print resource_size_t variables 2020-01-31 10:30:38 -08:00
fadvise.c fs: Export generic_fadvise() 2019-08-30 22:43:58 -07:00
failslab.c
filemap.c mm/filemap.c: clean up filemap_write_and_wait() 2020-01-31 10:30:37 -08:00
frame_vector.c mm: untag user pointers in get_vaddr_frames 2019-09-25 17:51:41 -07:00
frontswap.c
gup.c mm, tree-wide: rename put_user_page*() to unpin_user_page*() 2020-01-31 10:30:38 -08:00
gup_benchmark.c mm/gup_benchmark: use proper FOLL_WRITE flags instead of hard-coding "1" 2020-01-31 10:30:38 -08:00
highmem.c mm, x86/mm: Untangle address space layout definitions from basic pgtable type definitions 2019-12-10 10:12:55 +01:00
hmm.c mm/hmm: remove hmm_range_dma_map and hmm_range_dma_unmap 2019-11-23 19:56:45 -04:00
huge_memory.c mm/huge_memory.c: thp: fix conflict of above-47bit hint address and PMD alignment 2020-01-13 18:19:01 -08:00
hugetlb.c mm/hugetlb: defer freeing of huge pages if in non-task context 2020-01-04 13:55:09 -08:00
hugetlb_cgroup.c mm: hugetlb controller for cgroups v2 2019-12-16 12:41:40 -08:00
hwpoison-inject.c mm/hwpoison-inject: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops 2019-12-01 12:59:09 -08:00
init-mm.c mm/init-mm.c: include <linux/mman.h> for vm_committed_as_batch 2019-10-19 06:32:32 -04:00
internal.h mm, pcpu: make zone pcp updates and reset internal to the mm 2019-12-01 12:59:06 -08:00
interval_tree.c
Kconfig mm/Kconfig: fix trivial help text punctuation 2019-12-01 12:59:10 -08:00
Kconfig.debug mm, page_owner, debug_pagealloc: save and dump freeing stack trace 2019-09-24 15:54:08 -07:00
khugepaged.c mm/thp: flush file for !is_shmem PageDirty() case in collapse_file() 2019-12-01 12:59:09 -08:00
kmemleak-test.c
kmemleak.c mm/kmemleak: turn kmemleak_lock and object->lock to raw_spinlock_t 2020-01-31 10:30:36 -08:00
ksm.c * PPC secure guest support 2019-12-04 11:08:30 -08:00
list_lru.c
maccess.c uaccess: Add strict non-pagefault kernel-space read function 2019-11-02 12:39:12 -07:00
madvise.c mm: make do_madvise() available internally 2020-01-20 17:04:02 -07:00
Makefile mm: Add write-protect and clean utilities for address space ranges 2019-11-06 13:03:36 +01:00
mapping_dirty_helpers.c mm: Add write-protect and clean utilities for address space ranges 2019-11-06 13:03:36 +01:00
memblock.c memblock: Use __func__ in remaining memblock_dbg() call sites 2020-01-31 10:30:38 -08:00
memcontrol.c mm/memcontrol.c: cleanup some useless code 2020-01-31 10:30:38 -08:00
memfd.c mm: page cache: store only head pages in i_pages 2019-09-24 15:54:08 -07:00
memory-failure.c mm/memory-failure.c: use page_shift() in add_to_kill() 2019-12-01 12:59:04 -08:00
memory.c Linux 5.5-rc3 2019-12-25 10:41:37 +01:00
memory_hotplug.c mm: remove "count" parameter from has_unmovable_pages() 2020-01-31 10:30:38 -08:00
mempolicy.c mm/mempolicy.c: fix out of bounds write in mpol_parse_str() 2020-01-31 10:30:36 -08:00
mempool.c
memremap.c mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages 2020-01-31 10:30:37 -08:00
memtest.c
migrate.c mm: move_pages: report the number of non-attempted pages 2020-01-31 10:30:36 -08:00
mincore.c mm: untag user pointers passed to memory syscalls 2019-09-25 17:51:41 -07:00
mlock.c mm: untag user pointers passed to memory syscalls 2019-09-25 17:51:41 -07:00
mm_init.c
mmap.c The timekeeping and timers departement provides: 2020-01-27 16:47:05 -08:00
mmu_context.c
mmu_gather.c mm: remove quicklist page table caches 2019-09-24 15:54:09 -07:00
mmu_notifier.c mm/mmu_notifiers: Use 'interval_sub' as the variable for mmu_interval_notifier 2020-01-14 11:54:47 -04:00
mmzone.c
mprotect.c autonuma: reduce cache footprint when scanning page tables 2019-12-01 12:59:09 -08:00
mremap.c mm/mmap.c: use IS_ERR_VALUE to check return value of get_unmapped_area 2019-12-01 06:29:19 -08:00
msync.c mm: untag user pointers passed to memory syscalls 2019-09-25 17:51:41 -07:00
nommu.c mm/mmap.c: rb_parent is not necessary in __vma_link_list() 2019-12-01 06:29:19 -08:00
oom_kill.c mm, oom: dump stack of victim when reaping failed 2020-01-31 10:30:38 -08:00
page-writeback.c mm/page-writeback.c: improve arithmetic divisions 2020-01-13 18:19:02 -08:00
page_alloc.c mm: remove "count" parameter from has_unmovable_pages() 2020-01-31 10:30:38 -08:00
page_counter.c
page_ext.c mm, page_owner: fix off-by-one error in __set_page_owner_handle() 2019-10-14 15:04:00 -07:00
page_idle.c
page_io.c mm/page_io.c: annotate refault stalls from swap_readpage 2019-12-01 12:59:11 -08:00
page_isolation.c mm: remove "count" parameter from has_unmovable_pages() 2020-01-31 10:30:38 -08:00
page_owner.c mm/page_owner: don't access uninitialized memmaps when reading /proc/pagetypeinfo 2019-10-19 06:32:31 -04:00
page_poison.c mm/page_poison.c: fix a typo in a comment 2019-09-24 15:54:08 -07:00
page_vma_mapped.c mm/page_vma_mapped.c: explicitly compare pfn for normal, hugetlbfs and THP page 2020-01-31 10:30:38 -08:00
pagewalk.c mm: Add a walk_page_mapping() function to the pagewalk code 2019-11-06 13:02:43 +01:00
percpu-internal.h
percpu-km.c
percpu-stats.c
percpu-vm.c
percpu.c bitmap: genericize percpu bitmap region iterators 2020-01-20 16:40:56 +01:00
pgtable-generic.c asm-generic/mm: stub out p{4,u}d_clear_bad() if __PAGETABLE_P{4,U}D_FOLDED 2019-12-01 06:29:19 -08:00
process_vm_access.c mm, tree-wide: rename put_user_page*() to unpin_user_page*() 2020-01-31 10:30:38 -08:00
readahead.c
rmap.c mm, thp: do not queue fully unmapped pages for deferred split 2019-12-01 12:59:09 -08:00
rodata_test.c
shmem.c mm/shmem.c: thp, shmem: fix conflict of above-47bit hint address and PMD alignment 2020-01-13 18:19:01 -08:00
shuffle.c mm: fix -Wmissing-prototypes warnings 2019-10-07 15:47:19 -07:00
shuffle.h
slab.c mm, debug_pagealloc: don't rely on static keys too early 2020-01-13 18:19:02 -08:00
slab.h mm: clean up and clarify lruvec lookup procedure 2019-12-01 12:59:06 -08:00
slab_common.c mm: memcg/slab: call flush_memcg_workqueue() only if memcg workqueue is valid 2020-01-13 18:19:02 -08:00
slob.c mm, sl[aou]b: guarantee natural alignment for kmalloc(power-of-two) 2019-10-07 15:47:20 -07:00
slub.c mm/slub.c: avoid slub allocation while holding list_lock 2020-01-31 10:30:36 -08:00
sparse-vmemmap.c
sparse.c mm/sparse.c: reset section's mem_map when fully deactivated 2020-01-31 10:30:36 -08:00
swap.c mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages 2020-01-31 10:30:37 -08:00
swap_cgroup.c
swap_slots.c
swap_state.c mm: page cache: store only head pages in i_pages 2019-09-24 15:54:08 -07:00
swapfile.c mm/swapfile.c: swap_next should increase position index 2020-01-31 10:30:38 -08:00
truncate.c mm/thp: allow dropping THP from page cache 2019-10-19 06:32:33 -04:00
usercopy.c usercopy: Avoid HIGHMEM pfn warning 2019-09-17 15:20:17 -07:00
userfaultfd.c mm: fix typos in comments when calling __SetPageUptodate() 2019-12-01 12:59:10 -08:00
util.c mm/mmap.c: rb_parent is not necessary in __vma_link_list() 2019-12-01 06:29:19 -08:00
vmacache.c
vmalloc.c Linux 5.5-rc7 2020-01-20 08:05:16 +01:00
vmpressure.c mm/vmpressure.c: fix a signedness bug in vmpressure_register_event() 2019-10-07 15:47:19 -07:00
vmscan.c mm/vmscan: remove unused RECLAIM_OFF/RECLAIM_ZONE 2020-01-31 10:30:38 -08:00
vmstat.c mm/memcontrol: use vmstat names for printing statistics 2019-12-04 19:44:11 -08:00
workingset.c mm: vmscan: detect file thrashing at the reclaim root 2019-12-01 12:59:07 -08:00
z3fold.c mm/z3fold.c: add inter-page compaction 2019-12-01 12:59:07 -08:00
zbud.c
zpool.c zpool: add malloc_support_movable to zpool_driver 2019-09-24 15:54:12 -07:00
zsmalloc.c mm/zsmalloc.c: fix the migrated zspage statistics. 2020-01-04 13:55:09 -08:00
zswap.c zswap: do not map same object twice 2019-09-24 15:54:12 -07:00