49 int array_map_alloc_check(union bpf_attr *attr)  in array_map_alloc_check()  argument
51 	bool percpu = attr->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;  in array_map_alloc_check()
52 	int numa_node = bpf_map_attr_numa_node(attr);  in array_map_alloc_check()
55 	if (attr->max_entries == 0 || attr->key_size != 4 ||  in array_map_alloc_check()
56 	    attr->value_size == 0 ||  in array_map_alloc_check()
57 	    attr->map_flags & ~ARRAY_CREATE_FLAG_MASK ||  in array_map_alloc_check()
58 	    !bpf_map_flags_access_ok(attr->map_flags) ||  in array_map_alloc_check()
62 	if (attr->value_size > KMALLOC_MAX_SIZE)  in array_map_alloc_check()
71 static struct bpf_map *array_map_alloc(union bpf_attr *attr)  in array_map_alloc()  argument
73 	bool percpu = attr->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;  in array_map_alloc()
74 	int ret, numa_node = bpf_map_attr_numa_node(attr);  in array_map_alloc()
81 	elem_size = round_up(attr->value_size, 8);  in array_map_alloc()
83 	max_entries = attr->max_entries;  in array_map_alloc()
100 		if (max_entries < attr->max_entries)  in array_map_alloc()
113 		cost += (u64)attr->max_entries * elem_size * num_possible_cpus();  in array_map_alloc()
129 	bpf_map_init_from_attr(&array->map, attr);  in array_map_alloc()
474 static int fd_array_map_alloc_check(union bpf_attr *attr)  in fd_array_map_alloc_check()  argument
477 	if (attr->value_size != sizeof(u32))  in fd_array_map_alloc_check()
480 	if (attr->map_flags & (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG))  in fd_array_map_alloc_check()
482 	return array_map_alloc_check(attr);  in fd_array_map_alloc_check()
764 static struct bpf_map *array_of_map_alloc(union bpf_attr *attr)  in array_of_map_alloc()  argument
768 	inner_map_meta = bpf_map_meta_alloc(attr->inner_map_fd);  in array_of_map_alloc()
772 	map = array_map_alloc(attr);  in array_of_map_alloc()