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| author | Roman Gushchin <guro@fb.com> | 2018-06-14 15:28:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-15 07:55:25 +0900 |
| commit | fe6bdfc8e1e131720abbe77a2eb990c94c9024cb (patch) | |
| tree | a5621677932889c947a8a2c3543703a440c00f93 /mm/oom_kill.c | |
| parent | d7dc899abefb4412388a5d3ec690070197d07d20 (diff) | |
| download | linux-fe6bdfc8e1e131720abbe77a2eb990c94c9024cb.tar.gz linux-fe6bdfc8e1e131720abbe77a2eb990c94c9024cb.tar.bz2 linux-fe6bdfc8e1e131720abbe77a2eb990c94c9024cb.zip | |
mm: fix oom_kill event handling
Commit e27be240df53 ("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>
Diffstat (limited to 'mm/oom_kill.c')
| -rw-r--r-- | mm/oom_kill.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 6694348b27e9..84081e77bc51 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -913,7 +913,7 @@ static void oom_kill_process(struct oom_control *oc, const char *message) /* Raise event before sending signal: task reaper must see this */ count_vm_event(OOM_KILL); - count_memcg_event_mm(mm, OOM_KILL); + memcg_memory_event_mm(mm, MEMCG_OOM_KILL); /* * We should send SIGKILL before granting access to memory reserves |