Hi,

I am playing with control groups on 2.6.23-rc8-mm1.

I am able to mount cgroup and create subgroups. I was able
to move some tasks into them. But, after killing tasks I am
not able to remove the subgroups. Any idea on why ?

Thanks,
Badari

elm3b155:/dev/cgroup # ls -l /dev/cgroup
total 175
drwxr-xr-x   4 root root      0 Sep 25 15:02 .
drwxr-xr-x  35 root root 179272 Sep 25 14:18 ..
-rw-r--r--   1 root root      0 Sep 25 14:22 cpuacct.load
-rw-r--r--   1 root root      0 Sep 25 14:22 cpuacct.usage
-rw-r--r--   1 root root      0 Sep 25 14:22 debug.cgroup_refcount
-rw-r--r--   1 root root      0 Sep 25 14:22 debug.current_css_set
-rw-r--r--   1 root root      0 Sep 25 14:22
debug.current_css_set_refcount
-rw-r--r--   1 root root      0 Sep 25 14:22 debug.taskcount
-rw-r--r--   1 root root      0 Sep 25 14:22 memory.control_type
-rw-r--r--   1 root root      0 Sep 25 14:22 memory.failcnt
-rw-r--r--   1 root root      0 Sep 25 14:22 memory.limit_in_bytes
-rw-r--r--   1 root root      0 Sep 25 14:22 memory.usage_in_bytes
-rw-r--r--   1 root root      0 Sep 25 14:22 notify_on_release
-rw-r--r--   1 root root      0 Sep 25 14:22 releasable
-rw-r--r--   1 root root      0 Sep 25 14:22 release_agent
-rw-r--r--   1 root root      0 Sep 25 14:22 tasks
drwxr-xr-x   2 root root      0 Sep 25 16:27 xxx
drwxr-xr-x   2 root root      0 Sep 25 14:22 yyy


elm3b155:/dev/cgroup # cat xxx/tasks
elm3b155:/dev/cgroup # cat yyy/tasks
elm3b155:/dev/cgroup #

elm3b155:/dev/cgroup # rmdir yyy
rmdir: `yyy': Device or resource busy
elm3b155:/dev/cgroup # rmdir xxx
rmdir: `xxx': Device or resource busy
elm3b155:/dev/cgroup #


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