Lennart Poettering
1fd3a10c38
After creating a cgroup we need to initialize its "cgroup.subtree_control" file with the controllers its children want to use. Currently we do so whenever the mkdir() on the cgroup succeeded, i.e. when we know the cgroup is "fresh". Let's update the condition slightly that we also do so when internally we assume a cgroup doesn't exist yet, even if it already does (maybe left-over from a previous run). This shouldn't change anything IRL but make things a bit more robust.
systemd - System and Service Manager
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