Re: Multiple oom_reaper BUGs: unmap_page_range racing with exit_mmap

From: Michal Hocko
Date: Thu Dec 07 2017 - 03:45:06 EST


On Thu 07-12-17 09:28:01, Michal Hocko wrote:
[...]
> oom_reaper oom_victim task
> mmget_not_zero
> exit_mmap

bleh, this should have been do_exit

> mmput
> __oom_reap_task_mm mmput
> __mmput
> exit_mmap
> remove_vma
> unmap_page_range
--
Michal Hocko
SUSE Labs