259 struct bpf_map {  struct
260 	const struct bpf_map_ops *ops;  argument
261 	struct bpf_map *inner_map_meta;  argument
265 	enum bpf_map_type map_type;  argument
266 	u32 key_size;
267 	u32 value_size;
268 	u32 max_entries;
269 	u64 map_extra; /* any per-map-type extra fields */
270 	u32 map_flags;
271 	u32 id;
272 	struct btf_record *record;
273 	int numa_node;
274 	u32 btf_key_type_id;
275 	u32 btf_value_type_id;
276 	u32 btf_vmlinux_value_type_id;
277 	struct btf *btf;
279 	struct obj_cgroup *objcg;
281 	char name[BPF_OBJ_NAME_LEN];
282 	struct mutex freeze_mutex;
283 	atomic64_t refcnt;
284 	atomic64_t usercnt;
286 	union {
290 	atomic64_t writecnt;
296 	struct {
302 	} owner;
303 	bool bypass_spec_v1;
304 	bool frozen; /* write-once; write-protected by freeze_mutex */
305 	bool free_after_mult_rcu_gp;
306 	bool free_after_rcu_gp;
307 	atomic64_t sleepable_refcnt;
308 	s64 __percpu *elem_count;