diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 0873bcc61c7a..1a1cc89acaa3 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -549,10 +549,13 @@ void memcg_deactivate_kmem_caches(struct mem_cgroup *memcg) { int idx; struct memcg_cache_array *arr; - struct kmem_cache *s; + struct kmem_cache *s, *c; idx = memcg_cache_id(memcg); + get_online_cpus(); + get_online_mems(); + mutex_lock(&slab_mutex); list_for_each_entry(s, &slab_caches, list) { if (!is_root_cache(s)) @@ -560,9 +563,17 @@ void memcg_deactivate_kmem_caches(struct mem_cgroup *memcg) arr = rcu_dereference_protected(s->memcg_params.memcg_caches, lockdep_is_held(&slab_mutex)); + c = arr->entries[idx]; + if (!c) + continue; + + __kmem_cache_shrink(c, true); arr->entries[idx] = NULL; } mutex_unlock(&slab_mutex); + + put_online_mems(); + put_online_cpus(); } void memcg_destroy_kmem_caches(struct mem_cgroup *memcg) @@ -649,7 +660,7 @@ int kmem_cache_shrink(struct kmem_cache *cachep) get_online_cpus(); get_online_mems(); - ret = __kmem_cache_shrink(cachep); + ret = __kmem_cache_shrink(cachep, false); put_online_mems(); put_online_cpus(); return ret; |