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Diffstat (limited to 'mm/list_lru.c')
-rw-r--r--mm/list_lru.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/list_lru.c b/mm/list_lru.c
index cd58790d0fb3..a6031f1c5bd7 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -354,8 +354,7 @@ static int memcg_init_list_lru_node(struct list_lru_node *nlru)
struct list_lru_memcg *memcg_lrus;
int size = memcg_nr_cache_ids;
- memcg_lrus = kvmalloc(sizeof(*memcg_lrus) +
- size * sizeof(void *), GFP_KERNEL);
+ memcg_lrus = kvmalloc(struct_size(memcg_lrus, lru, size), GFP_KERNEL);
if (!memcg_lrus)
return -ENOMEM;
@@ -389,7 +388,7 @@ static int memcg_update_list_lru_node(struct list_lru_node *nlru,
old = rcu_dereference_protected(nlru->memcg_lrus,
lockdep_is_held(&list_lrus_mutex));
- new = kvmalloc(sizeof(*new) + new_size * sizeof(void *), GFP_KERNEL);
+ new = kvmalloc(struct_size(new, lru, new_size), GFP_KERNEL);
if (!new)
return -ENOMEM;
@@ -398,7 +397,7 @@ static int memcg_update_list_lru_node(struct list_lru_node *nlru,
return -ENOMEM;
}
- memcpy(&new->lru, &old->lru, old_size * sizeof(void *));
+ memcpy(&new->lru, &old->lru, flex_array_size(new, lru, old_size));
/*
* The locking below allows readers that hold nlru->lock avoid taking