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-rw-r--r--kernel/bpf/queue_stack_maps.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.c
index 8a5e060de63b..63ecbbcb349d 100644
--- a/kernel/bpf/queue_stack_maps.c
+++ b/kernel/bpf/queue_stack_maps.c
@@ -246,6 +246,14 @@ static int queue_stack_map_get_next_key(struct bpf_map *map, void *key,
return -EINVAL;
}
+static u64 queue_stack_map_mem_usage(const struct bpf_map *map)
+{
+ u64 usage = sizeof(struct bpf_queue_stack);
+
+ usage += ((u64)map->max_entries + 1) * map->value_size;
+ return usage;
+}
+
BTF_ID_LIST_SINGLE(queue_map_btf_ids, struct, bpf_queue_stack)
const struct bpf_map_ops queue_map_ops = {
.map_meta_equal = bpf_map_meta_equal,
@@ -259,6 +267,7 @@ const struct bpf_map_ops queue_map_ops = {
.map_pop_elem = queue_map_pop_elem,
.map_peek_elem = queue_map_peek_elem,
.map_get_next_key = queue_stack_map_get_next_key,
+ .map_mem_usage = queue_stack_map_mem_usage,
.map_btf_id = &queue_map_btf_ids[0],
};
@@ -274,5 +283,6 @@ const struct bpf_map_ops stack_map_ops = {
.map_pop_elem = stack_map_pop_elem,
.map_peek_elem = stack_map_peek_elem,
.map_get_next_key = queue_stack_map_get_next_key,
+ .map_mem_usage = queue_stack_map_mem_usage,
.map_btf_id = &queue_map_btf_ids[0],
};