diff options
| author | Roman Gushchin <guro@fb.com> | 2020-12-02 00:58:50 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-12-03 05:32:46 +0300 |
| commit | cbddcb574d419fd5b70c5f87ba733feec6147aeb (patch) | |
| tree | b2951dab8b5df32da23cc32fe1ab472950714fce /kernel/bpf/lpm_trie.c | |
| parent | 755e5d55367af5ff75a4db9b6cf439416878e2c7 (diff) | |
| download | linux-cbddcb574d419fd5b70c5f87ba733feec6147aeb.tar.xz | |
bpf: Eliminate rlimit-based memory accounting for lpm_trie maps
Do not use rlimit-based memory accounting for lpm_trie maps.
It has been replaced with the memcg-based memory accounting.
Signed-off-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20201201215900.3569844-25-guro@fb.com
Diffstat (limited to 'kernel/bpf/lpm_trie.c')
| -rw-r--r-- | kernel/bpf/lpm_trie.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c index 1a6981203d7f..cec792a17e5f 100644 --- a/kernel/bpf/lpm_trie.c +++ b/kernel/bpf/lpm_trie.c @@ -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); @@ -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) |