On Mon 29-04-19 11:25:48, Jiri Slaby wrote: > On 29. 04. 19, 10:16, Jiri Slaby wrote: [...] > > Any idea how to fix this mess? > > memcg_update_all_list_lrus should take care about resizing the array. So > it looks like list_lru_from_memcg_idx returns a stale pointer to > list_lru_from_kmem and then to list_lru_add. Still investigating. I am traveling and on a conference this week. Please open a bug and if this affects upstream kernel then report upstream as well. Cc linux-mm and memcg maintainers. This doesn't ring bells immediately. I do not remember any large changes recently. -- Michal Hocko SUSE Labs