diff options
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6706e5fa5ac0..afa55bb38cbd 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2572,6 +2572,8 @@ static int memcg_alloc_cache_id(void) err = memcg_update_all_caches(size); if (!err) + err = memcg_update_all_list_lrus(size); + if (!err) memcg_nr_cache_ids = size; up_write(&memcg_cache_ids_sem); @@ -2765,6 +2767,24 @@ void __memcg_kmem_uncharge_pages(struct page *page, int order) memcg_uncharge_kmem(memcg, 1 << order); page->mem_cgroup = NULL; } + +struct mem_cgroup *__mem_cgroup_from_kmem(void *ptr) +{ + struct mem_cgroup *memcg = NULL; + struct kmem_cache *cachep; + struct page *page; + + page = virt_to_head_page(ptr); + if (PageSlab(page)) { + cachep = page->slab_cache; + if (!is_root_cache(cachep)) + memcg = cachep->memcg_params->memcg; + } else + /* page allocated by alloc_kmem_pages */ + memcg = page->mem_cgroup; + + return memcg; +} #endif /* CONFIG_MEMCG_KMEM */ #ifdef CONFIG_TRANSPARENT_HUGEPAGE |