cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested...

[deliverable/linux.git] / kernel / cgroup_freezer.c

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 3649fc6b3eaa9a2aa78b6a0ef2af73d1a9fd9775..b1724ce98981d25e76980193b7e3984c9f7717cd 100644 (file)
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -373,4 +373,12 @@ struct cgroup_subsys freezer_subsys = {
        .can_attach     = freezer_can_attach,
        .fork           = freezer_fork,
        .base_cftypes   = files,
+
+       /*
+        * freezer subsys doesn't handle hierarchy at all.  Frozen state
+        * should be inherited through the hierarchy - if a parent is
+        * frozen, all its children should be frozen.  Fix it and remove
+        * the following.
+        */
+       .broken_hierarchy = true,
 };