diff options
author | Roman Gushchin <guro@fb.com> | 2020-12-01 22:58:51 +0100 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2020-12-03 03:32:46 +0100 |
commit | a37fb7ef24a475012547fa28f0148d2e538ad5d4 (patch) | |
tree | 8ead3bd8d071cc5a2159295ba315b68f33ac62ee /kernel/bpf/queue_stack_maps.c | |
parent | bpf: Eliminate rlimit-based memory accounting for lpm_trie maps (diff) | |
download | linux-a37fb7ef24a475012547fa28f0148d2e538ad5d4.tar.xz linux-a37fb7ef24a475012547fa28f0148d2e538ad5d4.zip |
bpf: Eliminate rlimit-based memory accounting for queue_stack_maps maps
Do not use rlimit-based memory accounting for queue_stack 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/20201201215900.3569844-26-guro@fb.com
Diffstat (limited to 'kernel/bpf/queue_stack_maps.c')
-rw-r--r-- | kernel/bpf/queue_stack_maps.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.c index 0ee2347ba510..f9c734aaa990 100644 --- a/kernel/bpf/queue_stack_maps.c +++ b/kernel/bpf/queue_stack_maps.c @@ -66,29 +66,21 @@ static int queue_stack_map_alloc_check(union bpf_attr *attr) static struct bpf_map *queue_stack_map_alloc(union bpf_attr *attr) { - int ret, numa_node = bpf_map_attr_numa_node(attr); - struct bpf_map_memory mem = {0}; + int numa_node = bpf_map_attr_numa_node(attr); struct bpf_queue_stack *qs; - u64 size, queue_size, cost; + u64 size, queue_size; size = (u64) attr->max_entries + 1; - cost = queue_size = sizeof(*qs) + size * attr->value_size; - - ret = bpf_map_charge_init(&mem, cost); - if (ret < 0) - return ERR_PTR(ret); + queue_size = sizeof(*qs) + size * attr->value_size; qs = bpf_map_area_alloc(queue_size, numa_node); - if (!qs) { - bpf_map_charge_finish(&mem); + if (!qs) return ERR_PTR(-ENOMEM); - } memset(qs, 0, sizeof(*qs)); bpf_map_init_from_attr(&qs->map, attr); - bpf_map_charge_move(&qs->map.memory, &mem); qs->size = size; raw_spin_lock_init(&qs->lock); |