249 struct bpf_map {  struct
253 	const struct bpf_map_ops *ops ____cacheline_aligned;  argument
254 	struct bpf_map *inner_map_meta;  argument
258 	enum bpf_map_type map_type;  argument
259 	u32 key_size;
260 	u32 value_size;
261 	u32 max_entries;
262 	u64 map_extra; /* any per-map-type extra fields */
263 	u32 map_flags;
264 	u32 id;
265 	struct btf_record *record;
266 	int numa_node;
267 	u32 btf_key_type_id;
268 	u32 btf_value_type_id;
269 	u32 btf_vmlinux_value_type_id;
270 	struct btf *btf;
272 	struct obj_cgroup *objcg;
274 	char name[BPF_OBJ_NAME_LEN];
278 	atomic64_t refcnt ____cacheline_aligned;
279 	atomic64_t usercnt;
281 	union {
285 	struct mutex freeze_mutex;
286 	atomic64_t writecnt;
292 	struct {
297 	} owner;
298 	bool bypass_spec_v1;
299 	bool frozen; /* write-once; write-protected by freeze_mutex */
300 	bool free_after_mult_rcu_gp;
301 	bool free_after_rcu_gp;
302 	atomic64_t sleepable_refcnt;
303 	s64 __percpu *elem_count;