diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/ns_cgroup.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/ns_cgroup.c b/kernel/ns_cgroup.c index 2a5dfec8efe0..2c98ad94ba0e 100644 --- a/kernel/ns_cgroup.c +++ b/kernel/ns_cgroup.c @@ -85,6 +85,14 @@ static struct cgroup_subsys_state *ns_create(struct cgroup_subsys *ss, return ERR_PTR(-EPERM); if (!cgroup_is_descendant(cgroup, current)) return ERR_PTR(-EPERM); + if (test_bit(CGRP_CLONE_CHILDREN, &cgroup->flags)) { + printk("ns_cgroup can't be created with parent " + "'clone_children' set.\n"); + return ERR_PTR(-EINVAL); + } + + printk_once("ns_cgroup deprecated: consider using the " + "'clone_children' flag without the ns_cgroup.\n"); ns_cgroup = kzalloc(sizeof(*ns_cgroup), GFP_KERNEL); if (!ns_cgroup) |