Signed-off-by: Mina Almasry almasrymina@google.com
--- mm/hugetlb_cgroup.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index 854117513979b..ac1500205faf7 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -503,8 +503,13 @@ static void __init __hugetlb_cgroup_file_init(int idx) cft = &h->cgroup_files[HUGETLB_RES_NULL]; memset(cft, 0, sizeof(*cft));
- WARN_ON(cgroup_add_legacy_cftypes(&hugetlb_cgrp_subsys, - h->cgroup_files)); + if (cgroup_subsys_on_dfl(hugetlb_cgrp_subsys)) { + WARN_ON(cgroup_add_dfl_cftypes(&hugetlb_cgrp_subsys, + h->cgroup_files)); + } else { + WARN_ON(cgroup_add_legacy_cftypes(&hugetlb_cgrp_subsys, + h->cgroup_files)); + } }
void __init hugetlb_cgroup_file_init(void) @@ -548,8 +553,14 @@ void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage) return; }
+static struct cftype hugetlb_files[] = { + {} /* terminate */ +}; + struct cgroup_subsys hugetlb_cgrp_subsys = { .css_alloc = hugetlb_cgroup_css_alloc, .css_offline = hugetlb_cgroup_css_offline, .css_free = hugetlb_cgroup_css_free, + .dfl_cftypes = hugetlb_files, + .legacy_cftypes = hugetlb_files, }; -- 2.24.0.rc1.363.gb1bccd3e3d-goog