On Fri, Aug 03, 2018 at 10:57:43AM -0700, Tejun Heo wrote: > mem_cgroup_print_oom_info() currently prints the same info for cgroup1 > and cgroup2 OOMs. It doesn't make much sense on cgroup2, which > doesn't use memsw or separate kmem accounting - the information > reported is both superflous and insufficient. This patch updates the > memcg OOM messages on cgroup2 so that > > * It prints memory and swap usages and limits used on cgroup2. > > * It shows the same information as memory.stat. That does look a lot more useful to me than the stuff we print now. > I took out the recursive printing for cgroup2 because the amount of > output could be a lot and the benefits aren't clear. Agreed. > What do you guys think? > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
