| commit | fc76df706123602214da494ba98bccea83e2cfff | |
| author | Tejun Heo <tj@kernel.org> | |
| Tue, 25 Jun 2013 18:53:37 +0000 (25 11:53 -0700) | ||
| committer | Tejun Heo <tj@kernel.org> | |
| Tue, 25 Jun 2013 18:53:37 +0000 (25 11:53 -0700) | ||
| tree | 27ff818b65d9c2866ba1caee3c739ec9f9232337 | treesnapshot (tar.gz zip) |
| parent | 30159ec7a9db7f3c91e2b27e66389c49302efd5c | commitdiff |
cgroup: reserve ID 0 for dummy_root and 1 for unified hierarchy
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@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org
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@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org
| kernel/cgroup.c | diffblobblamehistory |