mirror of https://gitee.com/openkylin/linux.git
bpf: Refine memcg-based memory accounting for sockmap and sockhash maps
Include internal metadata into the memcg-based memory accounting. Also include the memory allocated on updating an element. Signed-off-by: Roman Gushchin <guro@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201201215900.3569844-17-guro@fb.com
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@ -39,7 +39,7 @@ static struct bpf_map *sock_map_alloc(union bpf_attr *attr)
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attr->map_flags & ~SOCK_CREATE_FLAG_MASK)
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return ERR_PTR(-EINVAL);
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stab = kzalloc(sizeof(*stab), GFP_USER);
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stab = kzalloc(sizeof(*stab), GFP_USER | __GFP_ACCOUNT);
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if (!stab)
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return ERR_PTR(-ENOMEM);
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@ -975,8 +975,9 @@ static struct bpf_shtab_elem *sock_hash_alloc_elem(struct bpf_shtab *htab,
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}
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}
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new = kmalloc_node(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN,
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htab->map.numa_node);
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new = bpf_map_kmalloc_node(&htab->map, htab->elem_size,
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GFP_ATOMIC | __GFP_NOWARN,
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htab->map.numa_node);
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if (!new) {
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atomic_dec(&htab->count);
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return ERR_PTR(-ENOMEM);
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@ -1116,7 +1117,7 @@ static struct bpf_map *sock_hash_alloc(union bpf_attr *attr)
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if (attr->key_size > MAX_BPF_STACK)
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return ERR_PTR(-E2BIG);
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htab = kzalloc(sizeof(*htab), GFP_USER);
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htab = kzalloc(sizeof(*htab), GFP_USER | __GFP_ACCOUNT);
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if (!htab)
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return ERR_PTR(-ENOMEM);
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