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
