creating cgroup hierarchy

[Simon Brandner]

Hello,

i tried to create sub-directories in a cgroups mount.

I tried the following:
# mkdir test
# cd test
# echo 0 > cpuset.mems
# echo 0 > cpuset.cpus
# cat memory.use_hierarchy
1
# mkdir subtest
mkdir: cannot create directory `subtest': Invalid argument

So it did not work. Several tutorials mention a hierarchy or subgroups would be possible, but in none it was descibed how to manage this.
Could this feature be disabled in the kernel or somewhere else?

My active Kernel version is:
26.34.7-61.fc13.i686


Regards,

Simon
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