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path: root/kernel/bpf/lpm_trie.c
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Diffstat (limited to 'kernel/bpf/lpm_trie.c')
-rw-r--r--kernel/bpf/lpm_trie.c20
1 files changed, 4 insertions, 16 deletions
diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c
index 44474bf3ab7a..cec792a17e5f 100644
--- a/kernel/bpf/lpm_trie.c
+++ b/kernel/bpf/lpm_trie.c
@@ -282,8 +282,8 @@ static struct lpm_trie_node *lpm_trie_node_alloc(const struct lpm_trie *trie,
if (value)
size += trie->map.value_size;
- node = kmalloc_node(size, GFP_ATOMIC | __GFP_NOWARN,
- trie->map.numa_node);
+ node = bpf_map_kmalloc_node(&trie->map, size, GFP_ATOMIC | __GFP_NOWARN,
+ trie->map.numa_node);
if (!node)
return NULL;
@@ -540,8 +540,6 @@ out:
static struct bpf_map *trie_alloc(union bpf_attr *attr)
{
struct lpm_trie *trie;
- u64 cost = sizeof(*trie), cost_per_node;
- int ret;
if (!bpf_capable())
return ERR_PTR(-EPERM);
@@ -557,7 +555,7 @@ static struct bpf_map *trie_alloc(union bpf_attr *attr)
attr->value_size > LPM_VAL_SIZE_MAX)
return ERR_PTR(-EINVAL);
- trie = kzalloc(sizeof(*trie), GFP_USER | __GFP_NOWARN);
+ trie = kzalloc(sizeof(*trie), GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT);
if (!trie)
return ERR_PTR(-ENOMEM);
@@ -567,20 +565,9 @@ static struct bpf_map *trie_alloc(union bpf_attr *attr)
offsetof(struct bpf_lpm_trie_key, data);
trie->max_prefixlen = trie->data_size * 8;
- cost_per_node = sizeof(struct lpm_trie_node) +
- attr->value_size + trie->data_size;
- cost += (u64) attr->max_entries * cost_per_node;
-
- ret = bpf_map_charge_init(&trie->map.memory, cost);
- if (ret)
- goto out_err;
-
spin_lock_init(&trie->lock);
return &trie->map;
-out_err:
- kfree(trie);
- return ERR_PTR(ret);
}
static void trie_free(struct bpf_map *map)
@@ -732,6 +719,7 @@ static int trie_check_btf(const struct bpf_map *map,
static int trie_map_btf_id;
const struct bpf_map_ops trie_map_ops = {
+ .map_meta_equal = bpf_map_meta_equal,
.map_alloc = trie_alloc,
.map_free = trie_free,
.map_get_next_key = trie_get_next_key,