Hello, Yes you are right. When I tested it again now on Ubuntu, after reboot, it was as expected. Thanks, Kevin On Sat, Nov 30, 2013 at 2:49 AM, Li Zefan <lizefan@xxxxxxxxxx> wrote: > On 2013/11/29 22:36, Kevin Wilson wrote: >> Hello, >> I hope this is the right place to ask. >> As far as I know, the noprefix mount option is valid only for cpuset. >> >> I ran the following sequence of Fedora 18, 3.6.10-4.fc18.x86_64: >> >> mkdir /mytest >> mount -t tmpfs testcg /mytest >> mkdir /mytest/testprefix >> mount -t cgroup -o noprefix,cpuset testnonprefix /mytest/testprefix/ >> >> I expected that entries under /mytest/testprefix/ will be without the >> "cpuset" prefix. However, this is what I get: >> >> ls /mytest/testprefix/ >> cgroup.clone_children cpuset.memory_pressure_enabled >> cgroup.event_control cpuset.memory_spread_page >> cgroup.procs cpuset.memory_spread_slab >> cpuset.cpu_exclusive cpuset.mems >> cpuset.cpus cpuset.sched_load_balance >> cpuset.mem_exclusive cpuset.sched_relax_domain_level >> cpuset.mem_hardwall notify_on_release >> cpuset.memory_migrate release_agent >> cpuset.memory_pressure tasks >> >> >> any ideas ? Am I missing something ? >> > > I've tried this, and it works for me. > > My guess is, cpuset had already been mounted: > > # mount -t cgroup -o noprefix,cpuset xxx /cgroup > # ls /cgroup > cgroup.clone_children mem_hardwall mems > cgroup.event_control memory_migrate notify_on_release > cgroup.procs memory_pressure release_agent > cpu_exclusive memory_pressure_enabled sched_load_balance > cpus memory_spread_page sched_relax_domain_level > mem_exclusive memory_spread_slab tasks > > # umount /cgroup > # mount -t cgroup -o cpuset xxx /cgroup > # ls /cgroup > cgroup.clone_children cpuset.mem_hardwall cpuset.mems > cgroup.event_control cpuset.memory_migrate cpuset.sched_load_balance > cgroup.procs cpuset.memory_pressure cpuset.sched_relax_domain_level > cpuset.cpu_exclusive cpuset.memory_pressure_enabled notify_on_release > cpuset.cpus cpuset.memory_spread_page release_agent > cpuset.mem_exclusive cpuset.memory_spread_slab tasks > > # mount -t cgroup -o noprefix,cpuset xxx /cgroup2/ > # ls /cgroup2/ > cgroup.clone_children cpuset.mem_hardwall cpuset.mems > cgroup.event_control cpuset.memory_migrate cpuset.sched_load_balance > cgroup.procs cpuset.memory_pressure cpuset.sched_relax_domain_level > cpuset.cpu_exclusive cpuset.memory_pressure_enabled notify_on_release > cpuset.cpus cpuset.memory_spread_page release_agent > cpuset.mem_exclusive cpuset.memory_spread_slab tasks > > -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
