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a7dc662c6a
linux/mm
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Roman Gushchin fe6bdfc8e1 mm: fix oom_kill event handling 
Commit e27be240df ("mm: memcg: make sure memory.events is uptodate
when waking pollers") converted most of memcg event counters to
per-memcg atomics, which made them less confusing for a user.  The
"oom_kill" counter remained untouched, so now it behaves differently
than other counters (including "oom").  This adds nothing but confusion.

Let's fix this by adding the MEMCG_OOM_KILL event, and follow the
MEMCG_OOM approach.

This also removes a hack from count_memcg_event_mm(), introduced earlier
specially for the OOM_KILL counter.

[akpm@linux-foundation.org: fix for droppage of memcg-replace-mm-owner-with-mm-memcg.patch]
Link: http://lkml.kernel.org/r/20180508124637.29984-1-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-15 07:55:25 +09:00
..
kasan kasan: fix memory hotplug during boot 2018-05-25 18:12:11 -07:00
backing-dev.c memcg: writeback: use memcg->cgwb_list directly 2018-06-07 17:34:36 -07:00
balloon_compaction.c
bootmem.c
cleancache.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
cma_debug.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
cma.c Revert "mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE" 2018-05-24 10:07:50 -07:00
cma.h
compaction.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
debug_page_ref.c
debug.c
dmapool.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
early_ioremap.c
fadvise.c
failslab.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
filemap.c mm: use new return type vm_fault_t 2018-06-07 17:34:36 -07:00
frame_vector.c
frontswap.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
gup_benchmark.c treewide: kvzalloc() -> kvcalloc() 2018-06-12 16:19:22 -07:00
gup.c libnvdimm for 4.18 2018-06-08 17:21:52 -07:00
highmem.c
hmm.c mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS 2018-05-22 06:59:39 -07:00
huge_memory.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
hugetlb_cgroup.c mm: rename page_counter's count/limit into usage/max 2018-06-07 17:34:35 -07:00
hugetlb.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
hwpoison-inject.c
init-mm.c mm: introduce arg_lock to protect arg_start|end and env_start|end in mm_struct 2018-06-07 17:34:34 -07:00
internal.h Changes for 4.18: 2018-06-05 13:24:20 -07:00
interval_tree.c
Kconfig libnvdimm for 4.18 2018-06-08 17:21:52 -07:00
Kconfig.debug
khugepaged.c page cache: use xa_lock 2018-04-11 10:28:39 -07:00
kmemleak-test.c
kmemleak.c
ksm.c mm/ksm.c: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm() 2018-06-15 07:55:23 +09:00
list_lru.c
maccess.c
madvise.c
Makefile mm: restructure memfd code 2018-06-07 17:34:35 -07:00
memblock.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
memcontrol.c mm: fix oom_kill event handling 2018-06-15 07:55:25 +09:00
memfd.c mm: restructure memfd code 2018-06-07 17:34:35 -07:00
memory_hotplug.c mm: move is_pageblock_removable_nolock() to mm/memory_hotplug.c 2018-06-07 17:34:36 -07:00
memory-failure.c mm, migrate: remove reason argument from new_page_t 2018-04-11 10:28:32 -07:00
memory.c Merge branch 'akpm' (patches from Andrew) 2018-06-07 18:39:37 -07:00
mempolicy.c mm: unclutter THP migration 2018-04-11 10:28:32 -07:00
mempool.c mempool: Add mempool_init()/mempool_exit() 2018-05-14 13:14:23 -06:00
memtest.c
migrate.c mm: migrate: fix double call of radix_tree_replace_slot() 2018-05-11 17:28:45 -07:00
mincore.c
mlock.c
mm_init.c
mmap.c mm: change return type to vm_fault_t 2018-06-07 17:34:36 -07:00
mmu_context.c
mmu_notifier.c
mmzone.c
mprotect.c sched/numa: avoid trapping faults and attempting migration of file-backed dirty pages 2018-04-11 10:28:31 -07:00
mremap.c mremap: remove LATENCY_LIMIT from mremap to reduce the number of TLB shootdowns 2018-06-15 07:55:24 +09:00
msync.c
nobootmem.c
nommu.c mm: use new return type vm_fault_t 2018-06-07 17:34:36 -07:00
oom_kill.c mm: fix oom_kill event handling 2018-06-15 07:55:25 +09:00
page_alloc.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
page_counter.c memcg: introduce memory.min 2018-06-07 17:34:36 -07:00
page_ext.c
page_idle.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
page_io.c
page_isolation.c mm, migrate: remove reason argument from new_page_t 2018-04-11 10:28:32 -07:00
page_owner.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
page_poison.c
page_vma_mapped.c
page-writeback.c writeback: safer lock nesting 2018-04-20 17:18:35 -07:00
pagewalk.c
percpu-internal.h
percpu-km.c
percpu-stats.c treewide: Use array_size() in vmalloc() 2018-06-12 16:19:22 -07:00
percpu-vm.c
percpu.c
pgtable-generic.c
process_vm_access.c
quicklist.c
readahead.c mm: split ->readpages calls to avoid non-contiguous pages lists 2018-06-01 18:37:32 -07:00
rmap.c Linux 4.17-rc2 2018-04-27 17:13:20 -06:00
rodata_test.c
shmem.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
slab_common.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
slab.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
slab.h
slob.c slab: __GFP_ZERO is incompatible with a constructor 2018-06-07 17:34:34 -07:00
slub.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
sparse-vmemmap.c
sparse.c mm/sparse.c: pass the __highest_present_section_nr + 1 to alloc_func() 2018-06-07 17:34:35 -07:00
swap_cgroup.c
swap_slots.c treewide: kvzalloc() -> kvcalloc() 2018-06-12 16:19:22 -07:00
swap_state.c treewide: kvzalloc() -> kvcalloc() 2018-06-12 16:19:22 -07:00
swap.c mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS 2018-05-22 06:59:39 -07:00
swapfile.c mm/swapfile.c: fix swap_count comment about nonexistent SWAP_HAS_CONT 2018-06-15 07:55:23 +09:00
truncate.c page cache: use xa_lock 2018-04-11 10:28:39 -07:00
usercopy.c
userfaultfd.c userfaultfd: prevent non-cooperative events vs mcopy_atomic races 2018-06-07 17:34:38 -07:00
util.c mm: kvmalloc does not fallback to vmalloc for incompatible gfp flags 2018-06-07 17:34:38 -07:00
vmacache.c
vmalloc.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
vmpressure.c mm/vmpressure.c: convert to use match_string() helper 2018-06-07 17:34:36 -07:00
vmscan.c memcg: introduce memory.min 2018-06-07 17:34:36 -07:00
vmstat.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
workingset.c page cache: use xa_lock 2018-04-11 10:28:39 -07:00
z3fold.c z3fold: fix reclaim lock-ups 2018-05-11 17:28:45 -07:00
zbud.c
zpool.c
zsmalloc.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00
zswap.c mm: use octal not symbolic permissions 2018-06-15 07:55:25 +09:00