243 struct bpf_map {  struct
247 	const struct bpf_map_ops *ops ____cacheline_aligned;  argument
248 	struct bpf_map *inner_map_meta;  argument
252 	enum bpf_map_type map_type;  argument
253 	u32 key_size;
254 	u32 value_size;
255 	u32 max_entries;
256 	u64 map_extra; /* any per-map-type extra fields */
257 	u32 map_flags;
258 	u32 id;
259 	struct btf_record *record;
260 	int numa_node;
261 	u32 btf_key_type_id;
262 	u32 btf_value_type_id;
263 	u32 btf_vmlinux_value_type_id;
264 	struct btf *btf;
266 	struct obj_cgroup *objcg;
268 	char name[BPF_OBJ_NAME_LEN];
272 	atomic64_t refcnt ____cacheline_aligned;
273 	atomic64_t usercnt;
274 	struct work_struct work;
275 	struct mutex freeze_mutex;
276 	atomic64_t writecnt;
282 	struct {
287 	} owner;
288 	bool bypass_spec_v1;
289 	bool frozen; /* write-once; write-protected by freeze_mutex */
290 	s64 __percpu *elem_count;