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bpf: Eliminate rlimit-based memory accounting for reuseport_array maps

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Do not use rlimit-based memory accounting for reuseport_array 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/20201201215900.3569844-27-guro@fb.com
This commit is contained in:
Roman Gushchin 2020-12-01 13:58:52 -08:00 committed by Alexei Starovoitov
parent a37fb7ef24
commit db54330d3e
1 changed files with 2 additions and 10 deletions
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12
kernel/bpf/reuseport_array.c
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@ -150,9 +150,8 @@ static void reuseport_array_free(struct bpf_map *map)
static struct bpf_map *reuseport_array_alloc(union bpf_attr *attr)
{
int err, numa_node = bpf_map_attr_numa_node(attr);
int numa_node = bpf_map_attr_numa_node(attr);
struct reuseport_array *array;
struct bpf_map_memory mem;
u64 array_size;
if (!bpf_capable())
@ -161,20 +160,13 @@ static struct bpf_map *reuseport_array_alloc(union bpf_attr *attr)
array_size = sizeof(*array);
array_size += (u64)attr->max_entries * sizeof(struct sock *);
err = bpf_map_charge_init(&mem, array_size);
if (err)
return ERR_PTR(err);
/* allocate all map elements and zero-initialize them */
array = bpf_map_area_alloc(array_size, numa_node);
if (!array) {
bpf_map_charge_finish(&mem);
if (!array)
return ERR_PTR(-ENOMEM);
}
/* copy mandatory map attributes */
bpf_map_init_from_attr(&array->map, attr);
bpf_map_charge_move(&array->map.memory, &mem);
return &array->map;
}