memcg: add accessor to mem_cgroup.css
[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / memcontrol.c
index b5ac61c..9eee80d 100644 (file)
@@ -282,6 +282,11 @@ mem_cgroup_zoneinfo(struct mem_cgroup *mem, int nid, int zid)
        return &mem->info.nodeinfo[nid]->zoneinfo[zid];
 }
 
+struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *mem)
+{
+       return &mem->css;
+}
+
 static struct mem_cgroup_per_zone *
 page_cgroup_zoneinfo(struct page_cgroup *pc)
 {