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The test_memcg_oom_group_leaf_events() testcase in the cgroup memcg tests validates that processes in a group that perform allocations exceeding memory.oom.group are killed. It also validates that the memory.events.oom_kill events are properly propagated in this case. Commit 06e11c907ea4 ("kselftests: memcg: update the oom group leaf events test") fixed test_memcg_oom_group_leaf_events() to account for the fact that the memory.events.oom_kill events in a child cgroup is propagated up to its parent. This behavior can actually be configured by the memory_localevents mount option, so this patch updates the testcase to properly account for the possible presence of this mount option. Link: https://lkml.kernel.org/r/20220423155619.3669555-4-void@manifault.com Signed-off-by: David Vernet <void@manifault.com> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Shakeel Butt <shakeelb@google.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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