summaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'kernel')
-rw-r--r--kernel/ns_cgroup.c8
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)