diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 1 | ||||
| -rw-r--r-- | mm/vmpressure.c | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index f45e21ab9ce..c0b33c27f9b 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -6344,6 +6344,7 @@ static void mem_cgroup_css_offline(struct cgroup *cont) mem_cgroup_reparent_charges(memcg); mem_cgroup_destroy_all_caches(memcg); + vmpressure_cleanup(&memcg->vmpressure); } static void mem_cgroup_css_free(struct cgroup *cont) diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 192f9731931..0c1e37d829f 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -372,3 +372,19 @@ void vmpressure_init(struct vmpressure *vmpr) INIT_LIST_HEAD(&vmpr->events); INIT_WORK(&vmpr->work, vmpressure_work_fn); } + +/** + * vmpressure_cleanup() - shuts down vmpressure control structure + * @vmpr: Structure to be cleaned up + * + * This function should be called before the structure in which it is + * embedded is cleaned up. + */ +void vmpressure_cleanup(struct vmpressure *vmpr) +{ + /* + * Make sure there is no pending work before eventfd infrastructure + * goes away. + */ + flush_work(&vmpr->work); +} |