static struct vmpressure *vmpressure_parent(struct vmpressure *vmpr) { struct cgroup_subsys_state *css = vmpressure_to_css(vmpr); struct mem_cgroup *memcg = mem_cgroup_from_css(css); memcg = parent_mem_cgroup(memcg); if (!memcg) return NULL; return memcg_to_vmpressure(memcg); }
static struct vmpressure *vmpressure_parent(struct vmpressure *vmpr) { struct cgroup *cg = vmpressure_to_css(vmpr)->cgroup; struct mem_cgroup *memcg = mem_cgroup_from_cont(cg); memcg = parent_mem_cgroup(memcg); if (!memcg) return NULL; return memcg_to_vmpressure(memcg); }