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bpf: group memory related fields in struct bpf_map_memory

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Group "user" and "pages" fields of bpf_map into the bpf_map_memory
structure. Later it can be extended with "memcg" and other related
information.

The main reason for a such change (beside cosmetics) is to pass
bpf_map_memory structure to charging functions before the actual
allocation of bpf_map.

Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Roman Gushchin 2019-05-29 18:03:57 -07:00 • committed by Alexei Starovoitov
parent d50836cda6
commit 3539b96e04
14 changed files with 36 additions and 31 deletions
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kernel/bpf/arraymap.c
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@ -138,7 +138,7 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
/* copy mandatory map attributes */
bpf_map_init_from_attr(&array->map, attr);
array->map.pages = cost;
array->map.memory.pages = cost;
array->elem_size = elem_size;
if (percpu && bpf_array_alloc_percpu(array)) {