Hi, this is my attempt to backport Johannes' 73f576c04b94 ("mm: memcontrol: fix cgroup creation failure after many small jobs") to 4.4 based stable kernel. The backport is not straightforward and there are 2 follow up fixes on top of this commit. I would like to integrate these to our SLES based kernel and believe other users might benefit from the backport as well. All 3 patches are in the Linus tree already.
I would really appreciate if Johannes could double check after me before this gets into the stable tree but my testing didn't reveal anything unexpected. Thanks!