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? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>