diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 435aa686567b..855313d01e85 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -623,6 +623,7 @@ static void cgroup_update_populated(struct cgroup *cgrp, bool populated) if (!trigger) break; + check_for_release(cgrp); cgroup_file_notify(&cgrp->events_file); cgrp = cgroup_parent(cgrp); @@ -686,15 +687,8 @@ static void put_css_set_locked(struct css_set *cset) css_set_count--; list_for_each_entry_safe(link, tmp_link, &cset->cgrp_links, cgrp_link) { - struct cgroup *cgrp = link->cgrp; - list_del(&link->cset_link); list_del(&link->cgrp_link); - - /* @cgrp can't go away while we're holding css_set_rwsem */ - if (list_empty(&cgrp->cset_links)) - check_for_release(cgrp); - kfree(link); }