diff options
Diffstat (limited to 'mm/list_lru.c')
| -rw-r--r-- | mm/list_lru.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/list_lru.c b/mm/list_lru.c index 28237476b055..afc71ea9a381 100644 --- a/mm/list_lru.c +++ b/mm/list_lru.c @@ -63,6 +63,16 @@ list_lru_from_memcg_idx(struct list_lru_node *nlru, int idx) return &nlru->lru; } +static __always_inline struct mem_cgroup *mem_cgroup_from_kmem(void *ptr) +{ + struct page *page; + + if (!memcg_kmem_enabled()) + return NULL; + page = virt_to_head_page(ptr); + return page->mem_cgroup; +} + static inline struct list_lru_one * list_lru_from_kmem(struct list_lru_node *nlru, void *ptr) { |