On Mon, Jul 27, 2020 at 12:21 PM Roman Gushchin <guro@xxxxxx> wrote:
>
> Do not use rlimit-based memory accounting for xskmap maps.
> It has been replaced with the memcg-based memory accounting.
>
> Signed-off-by: Roman Gushchin <guro@xxxxxx>
Acked-by: Song Liu <songliubraving@xxxxxx>
> ---
> net/xdp/xskmap.c | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/net/xdp/xskmap.c b/net/xdp/xskmap.c
> index e574b22defe5..0366013f13c6 100644
> --- a/net/xdp/xskmap.c
> +++ b/net/xdp/xskmap.c
> @@ -74,7 +74,6 @@ static void xsk_map_sock_delete(struct xdp_sock *xs,
>
> static struct bpf_map *xsk_map_alloc(union bpf_attr *attr)
> {
> - struct bpf_map_memory mem;
> int err, numa_node;
> struct xsk_map *m;
> u64 size;
> @@ -90,18 +89,11 @@ static struct bpf_map *xsk_map_alloc(union bpf_attr *attr)
> numa_node = bpf_map_attr_numa_node(attr);
> size = struct_size(m, xsk_map, attr->max_entries);
>
> - err = bpf_map_charge_init(&mem, size);
> - if (err < 0)
> - return ERR_PTR(err);
> -
> m = bpf_map_area_alloc(size, numa_node);
> - if (!m) {
> - bpf_map_charge_finish(&mem);
> + if (!m)
> return ERR_PTR(-ENOMEM);
> - }
>
> bpf_map_init_from_attr(&m->map, attr);
> - bpf_map_charge_move(&m->map.memory, &mem);
> spin_lock_init(&m->lock);
>
> return &m->map;
> --
> 2.26.2
>
