263 struct bpf_map {  struct
264 	const struct bpf_map_ops *ops;  argument
265 	struct bpf_map *inner_map_meta;  argument
269 	enum bpf_map_type map_type;  argument
270 	u32 key_size;
271 	u32 value_size;
272 	u32 max_entries;
273 	u64 map_extra; /* any per-map-type extra fields */
274 	u32 map_flags;
275 	u32 id;
276 	struct btf_record *record;
277 	int numa_node;
278 	u32 btf_key_type_id;
279 	u32 btf_value_type_id;
280 	u32 btf_vmlinux_value_type_id;
281 	struct btf *btf;
283 	struct obj_cgroup *objcg;
285 	char name[BPF_OBJ_NAME_LEN];
286 	struct mutex freeze_mutex;
287 	atomic64_t refcnt;
288 	atomic64_t usercnt;
290 	union {
294 	atomic64_t writecnt;
300 	struct {
306 	} owner;
307 	bool bypass_spec_v1;
308 	bool frozen; /* write-once; write-protected by freeze_mutex */
309 	bool free_after_mult_rcu_gp;
310 	bool free_after_rcu_gp;
311 	atomic64_t sleepable_refcnt;
312 	s64 __percpu *elem_count;