On 09/11/2018 02:11 PM, Michal Hocko wrote: > Why is this a problem though? IIRC this event was deliberately placed > outside of the oom path because we wanted to count allocation failures > and this is also documented that way > > oom > The number of time the cgroup's memory usage was > reached the limit and allocation was about to fail. > > Depending on context result could be invocation of OOM > killer and retrying allocation or failing a > > One could argue that we do not apply the same logic to GFP_NOWAIT > requests but in general I would like to see a good reason to change > the behavior and if it is really the right thing to do then we need to > update the documentation as well. >
Why not introduce a MEMCG_ALLOC_FAIL in to memcg_memory_event?
