Messages in this thread | | | Date | Thu, 7 Nov 2019 07:43:41 -0800 | From | Tejun Heo <> | Subject | Re: [PATCH 1/2] mm: memcg: switch to css_tryget() in get_mem_cgroup_from_mm() |
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Hello,
On Thu, Nov 07, 2019 at 01:21:25PM +0100, Michal Hocko wrote: > Hmm, how can we have a task in an offline memcg? I thought that any > existing task will prevent cgroup removal from proceeding. Is this some > sort of race where the task managed to disassociate from the cgroup > while there is still a binding to a memcg existing? What am I missing?
The previous cgroup one was from bsd process accounting which happens after the process is marked head. This one IIUC is from core dumping path.
Thanks.
-- tejun
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