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| author | Roman Gushchin <guro@fb.com> | 2020-12-14 19:06:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 12:13:40 -0800 |
| commit | 9d9d341df4d519d96e7927941d91f5785c5cea07 (patch) | |
| tree | 8d8199ac52f820885f28a0e76141813a31176a02 /kernel/cgroup | |
| parent | 184218639a6f2a1cb84cf3ba583cee93a3ff4b81 (diff) | |
| download | linux-9d9d341df4d519d96e7927941d91f5785c5cea07.tar.gz linux-9d9d341df4d519d96e7927941d91f5785c5cea07.tar.bz2 linux-9d9d341df4d519d96e7927941d91f5785c5cea07.zip | |
cgroup: remove obsoleted broken_hierarchy and warned_broken_hierarchy
With the deprecation of the non-hierarchical mode of the memory controller
there are no more examples of broken hierarchies left.
Let's remove the cgroup core code which was supposed to print warnings
about creating of broken hierarchies.
Link: https://lkml.kernel.org/r/20201110220800.929549-4-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/cgroup')
| -rw-r--r-- | kernel/cgroup/cgroup.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 80c5c34416e8..16f4692dc961 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5149,13 +5149,6 @@ static struct cgroup_subsys_state *css_create(struct cgroup *cgrp, if (err) goto err_list_del; - if (ss->broken_hierarchy && !ss->warned_broken_hierarchy && - cgroup_parent(parent)) { - pr_warn("%s (%d) created nested cgroup for controller \"%s\" which has incomplete hierarchy support. Nested cgroups may change behavior in the future.\n", - current->comm, current->pid, ss->name); - ss->warned_broken_hierarchy = true; - } - return css; err_list_del: |