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Kir Kolyshkin
ef9922c26c
Commit 5d0ffbf9c8 added OOM kill count checking and better container
start/run/exec error reporting in case we hit OOM.
It also introduced warnings like these:
> level=warning msg="unable to get oom kill count" error="openat2
> /sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/test_hello/memory.events:
> no such file or directory"
In case of rootless containers, unless cgroup is delegated or systemd is
used, runc can not create a cgroup and thus it fails to get OOM kill
count. This is expected, and the warning should not be shown in this
case.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>