The kmem enabled memory cgroup cannot be fully released unless all associated kmem_cache are "destroyed"
The kernel memory-limited memory-controlled cgroup cannot be released unless the root
kmem_cacheis explicitly destroyed.
While attempting to create a cgroup under the memory resource controller the error
cannot allocate memoryis returned. For example:
# mkdir /sys/fs/cgroup/memory/kubepods/burstable/podff4b0b02-34fd-49bb-8cfa-98a81316ab3c: cannot allocate memory
- Red Hat Enterprise Linux (RHEL) 7
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