diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 3031badcc577..1c424b6511bf 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -81,6 +81,34 @@ static inline int kmem_cache_sanity_check(struct mem_cgroup *memcg, } #endif +#ifdef CONFIG_MEMCG_KMEM +int memcg_update_all_caches(int num_memcgs) +{ + struct kmem_cache *s; + int ret = 0; + mutex_lock(&slab_mutex); + + list_for_each_entry(s, &slab_caches, list) { + if (!is_root_cache(s)) + continue; + + ret = memcg_update_cache_size(s, num_memcgs); + /* + * See comment in memcontrol.c, memcg_update_cache_size: + * Instead of freeing the memory, we'll just leave the caches + * up to this point in an updated state. + */ + if (ret) + goto out; + } + + memcg_update_array_size(num_memcgs); +out: + mutex_unlock(&slab_mutex); + return ret; +} +#endif + /* * Figure out what the alignment of the objects will be given a set of * flags, a user specified alignment and the size of the objects. |