diff options
Diffstat (limited to 'mm/slab.h')
| -rw-r--r-- | mm/slab.h | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/mm/slab.h b/mm/slab.h index c7f2abc2b154..fd7ae2024897 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -231,6 +231,7 @@ struct kmem_cache { #include <linux/kmemleak.h> #include <linux/random.h> #include <linux/sched/mm.h> +#include <linux/list_lru.h> /* * State of the slab allocator. @@ -472,6 +473,7 @@ static inline size_t obj_full_size(struct kmem_cache *s) * Returns false if the allocation should fail. */ static inline bool memcg_slab_pre_alloc_hook(struct kmem_cache *s, + struct list_lru *lru, struct obj_cgroup **objcgp, size_t objects, gfp_t flags) { @@ -487,13 +489,26 @@ static inline bool memcg_slab_pre_alloc_hook(struct kmem_cache *s, if (!objcg) return true; - if (obj_cgroup_charge(objcg, flags, objects * obj_full_size(s))) { - obj_cgroup_put(objcg); - return false; + if (lru) { + int ret; + struct mem_cgroup *memcg; + + memcg = get_mem_cgroup_from_objcg(objcg); + ret = memcg_list_lru_alloc(memcg, lru, flags); + css_put(&memcg->css); + + if (ret) + goto out; } + if (obj_cgroup_charge(objcg, flags, objects * obj_full_size(s))) + goto out; + *objcgp = objcg; return true; +out: + obj_cgroup_put(objcg); + return false; } static inline void memcg_slab_post_alloc_hook(struct kmem_cache *s, @@ -598,6 +613,7 @@ static inline void memcg_free_slab_cgroups(struct slab *slab) } static inline bool memcg_slab_pre_alloc_hook(struct kmem_cache *s, + struct list_lru *lru, struct obj_cgroup **objcgp, size_t objects, gfp_t flags) { @@ -697,6 +713,7 @@ static inline size_t slab_ksize(const struct kmem_cache *s) } static inline struct kmem_cache *slab_pre_alloc_hook(struct kmem_cache *s, + struct list_lru *lru, struct obj_cgroup **objcgp, size_t size, gfp_t flags) { @@ -707,7 +724,7 @@ static inline struct kmem_cache *slab_pre_alloc_hook(struct kmem_cache *s, if (should_failslab(s, flags)) return NULL; - if (!memcg_slab_pre_alloc_hook(s, objcgp, size, flags)) + if (!memcg_slab_pre_alloc_hook(s, lru, objcgp, size, flags)) return NULL; return s; |