[PATCH bpf-next v3 08/29] bpf: memcg-based memory accounting for lpm_trie maps

From: Roman Gushchin
Date: Thu Jul 30 2020 - 17:26:01 EST


Include lpm trie and lpm trie node objects into the memcg-based memory
accounting.

Signed-off-by: Roman Gushchin <guro@xxxxxx>
Acked-by: Song Liu <songliubraving@xxxxxx>
---
kernel/bpf/lpm_trie.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c
index 44474bf3ab7a..d85e0fc2cafc 100644
--- a/kernel/bpf/lpm_trie.c
+++ b/kernel/bpf/lpm_trie.c
@@ -282,7 +282,7 @@ 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,
+ node = kmalloc_node(size, GFP_ATOMIC | __GFP_NOWARN | __GFP_ACCOUNT,
trie->map.numa_node);
if (!node)
return NULL;
@@ -557,7 +557,7 @@ 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);

--
2.26.2