diff options
Diffstat (limited to 'mm/list_lru.c')
| -rw-r--r-- | mm/list_lru.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/list_lru.c b/mm/list_lru.c index 0730bf8ff39f..0f1f6b06b7f3 100644 --- a/mm/list_lru.c +++ b/mm/list_lru.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2013 Red Hat, Inc. and Parallels Inc. All rights reserved. * Authors: David Chinner and Glauber Costa @@ -11,6 +12,7 @@ #include <linux/slab.h> #include <linux/mutex.h> #include <linux/memcontrol.h> +#include "slab.h" #ifdef CONFIG_MEMCG_KMEM static LIST_HEAD(list_lrus); @@ -37,11 +39,7 @@ static int lru_shrinker_id(struct list_lru *lru) static inline bool list_lru_memcg_aware(struct list_lru *lru) { - /* - * This needs node 0 to be always present, even - * in the systems supporting sparse numa ids. - */ - return !!lru->node[0].memcg_lrus; + return lru->memcg_aware; } static inline struct list_lru_one * @@ -66,7 +64,7 @@ static __always_inline struct mem_cgroup *mem_cgroup_from_kmem(void *ptr) if (!memcg_kmem_enabled()) return NULL; page = virt_to_head_page(ptr); - return page->mem_cgroup; + return memcg_from_slab_page(page); } static inline struct list_lru_one * @@ -357,7 +355,7 @@ static int __memcg_init_list_lru_node(struct list_lru_memcg *memcg_lrus, } return 0; fail: - __memcg_destroy_list_lru_node(memcg_lrus, begin, i - 1); + __memcg_destroy_list_lru_node(memcg_lrus, begin, i); return -ENOMEM; } @@ -451,6 +449,8 @@ static int memcg_init_list_lru(struct list_lru *lru, bool memcg_aware) { int i; + lru->memcg_aware = memcg_aware; + if (!memcg_aware) return 0; |