bpf_map_meta_alloc  768 kernel/bpf/arraymap.c 	inner_map_meta = bpf_map_meta_alloc(attr->inner_map_fd);
bpf_map_meta_alloc 1455 kernel/bpf/hashtab.c 	inner_map_meta = bpf_map_meta_alloc(attr->inner_map_fd);
bpf_map_meta_alloc   12 kernel/bpf/map_in_map.h struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);