On 2020/07/11 12:18, Yafang Shao wrote: > If the current's MMF_OOM_SKIP is set, it means that the current is exiting > or dying and likely to realease its address space. So we don't need to > invoke the oom killer again. Otherwise that may cause some unexpected > issues, for example, bellow is the issue found in our production > environment. What kernel version are you using? Commit 7775face207922ea ("memcg: killed threads should not invoke memcg OOM killer") should solve this problem.