On Fri, May 27, 2016 at 01:36:29PM -0400, Johannes Weiner wrote: > 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? Oops, I overlooked that check. Scratch this patch then. Sorry for the noise. -- 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>