On Mon, May 23, 2016 at 07:02:10PM +0300, Vladimir Davydov wrote: > mem_cgroup_oom may be invoked multiple times while a process is handling > a page fault, in which case current->memcg_in_oom will be overwritten > leaking the previously taken css reference.
There is a task_in_memcg_oom() check before calling mem_cgroup_oom(). How can this happen?
