Re: [RFC PATCH 2/2] mm, page_alloc: loose the node binding check to avoid helpless oom killing

2020-11-03 Thread Michal Hocko
On Wed 04-11-20 14:10:10, Feng Tang wrote: > With the incoming of memory hotplug feature and persitent memory, in > some platform there are memory nodes which only have movable zone. > > Users may bind some of their workload(like docker/container) to > these nodes, and there are many reports of

[RFC PATCH 2/2] mm, page_alloc: loose the node binding check to avoid helpless oom killing

2020-11-03 Thread Feng Tang
With the incoming of memory hotplug feature and persitent memory, in some platform there are memory nodes which only have movable zone. Users may bind some of their workload(like docker/container) to these nodes, and there are many reports of OOM and page allocation failures, one callstack is: