diff options
| -rw-r--r-- | mm/memcontrol.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index a96d9015ff73..ca194864d802 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1931,6 +1931,14 @@ struct mem_cgroup *mem_cgroup_get_oom_group(struct task_struct *victim, goto out; /* + * If the victim task has been asynchronously moved to a different + * memory cgroup, we might end up killing tasks outside oom_domain. + * In this case it's better to ignore memory.group.oom. + */ + if (unlikely(!mem_cgroup_is_descendant(memcg, oom_domain))) + goto out; + + /* * Traverse the memory cgroup hierarchy from the victim task's * cgroup up to the OOMing cgroup (or root) to find the * highest-level memory cgroup with oom.group set. |