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SubjectRe: [PATCH] mm: skip zombie in OOM-killer
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> When we check that task has flag TIF_MEMDIE, we forgot check that
> it has mm. A task may be zombie and a parent may wait a memor.
>
> v2: Check that task doesn't have mm one time and skip it immediately
>
> Signed-off-by: Andrey Vagin <avagin@openvz.org>

This seems incorrect. Do you have a reprodusable testcasae?
Your patch only care thread group leader state, but current code
care all thread in the process. Please look at oom_badness() and
find_lock_task_mm().





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