On Thu 18-10-12 16:30:19, Li Zefan wrote: > > static int mem_cgroup_force_empty_write(struct cgroup *cont, unsigned int event) > > @@ -5013,13 +5011,9 @@ free_out: > > static int mem_cgroup_pre_destroy(struct cgroup *cont) > > { > > struct mem_cgroup *memcg = mem_cgroup_from_cont(cont); > > - int ret; > > > > - css_get(&memcg->css); > > - ret = mem_cgroup_reparent_charges(memcg); > > - css_put(&memcg->css); > > - > > - return ret; > > + mem_cgroup_reparent_charges(memcg); > > + return 0; > > } > > > > Why don't you make pre_destroy() return void? Yes I plan to do that later after I have feedback for this RFC. I am especially interested whether the cgroup core patch is OK, resp. has to be reworked to pull pre_destroy outside of cgroup_lock Thanks -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html