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SubjectRe: [v11 2/6] mm: implement mem_cgroup_scan_tasks() for the root memory cgroup
On Thu, 5 Oct 2017, Roman Gushchin wrote:

> Implement mem_cgroup_scan_tasks() functionality for the root
> memory cgroup to use this function for looking for a OOM victim
> task in the root memory cgroup by the cgroup-ware OOM killer.
> The root memory cgroup is treated as a leaf cgroup, so only tasks
> which are directly belonging to the root cgroup are iterated over.
> This patch doesn't introduce any functional change as
> mem_cgroup_scan_tasks() is never called for the root memcg.
> This is preparatory work for the cgroup-aware OOM killer,
> which will use this function to iterate over tasks belonging
> to the root memcg.
> Signed-off-by: Roman Gushchin <>

Acked-by: David Rientjes <>

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