Features:
+* make BlockIODeviceWeight=, BlockIODeviceBandwidth= runtime settable
+
* split up BlockIOWeight= and BlockIODeviceWeight=
* how to reset dynamically changed attributes sanely?
* when reloading configuration, apply new cgroup configuration
-* implement system-wide DefaultCPUAccounting=1 switch (and similar for blockio, memory, fair scheduling?)
+* implement system-wide DefaultCPUAccounting=1 switch (and similar for blockio, memory?)
+
+* implement per-slice CPUFairScheduling=1 switch
* handle jointly mounted controllers correctly