Since commit bef8620cd8e0 ("mm: memcg: deprecate the non-hierarchical mode"), use_hierarchy is already deprecated. And it's further removed via commit 9d9d341df4d5 ("cgroup: remove obsoleted broken_hierarchy and warned_broken_hierarchy"). Update corresponding comment. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- include/linux/memcontrol.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 3bd00f224224..11810a2cfd2d 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -863,8 +863,7 @@ static inline struct mem_cgroup *lruvec_memcg(struct lruvec *lruvec) * parent_mem_cgroup - find the accounting parent of a memcg * @memcg: memcg whose parent to find * - * Returns the parent memcg, or NULL if this is the root or the memory - * controller is in legacy no-hierarchy mode. + * Returns the parent memcg, or NULL if this is the root. */ static inline struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg) { -- 2.33.0