linux-kernel - [PATCH bpf-next v3 08/29] bpf: memcg-based memory accounting for lpm

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Date:   Thu, 30 Jul 2020 14:22:49 -0700
From:   Roman Gushchin <guro@...com>
To:     <bpf@...r.kernel.org>
CC:     <netdev@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, <kernel-team@...com>,
        <linux-kernel@...r.kernel.org>, Roman Gushchin <guro@...com>,
        Song Liu <songliubraving@...com>
Subject: [PATCH bpf-next v3 08/29] bpf: memcg-based memory accounting for lpm_trie maps

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

Signed-off-by: Roman Gushchin <guro@...com>
Acked-by: Song Liu <songliubraving@...com>
---
 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