On 2013/6/23 0:30, Tejun Heo wrote: > Before 1a57423166 ("cgroup: make hierarchy_id use cyclic idr"), > hierarchy IDs were allocated from 0. As the dummy hierarchy was > always the one first initialized, it got assigned 0 and all other > hierarchies from 1. The patch accidentally changed the minimum > useable ID to 2. > > Let's restore ID 0 for dummy_root and while at it reserve 1 for > unified hierarchy. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > --- > kernel/cgroup.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > Acked-by: Li Zefan <lizefan@xxxxxxxxxx> -- 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