52 int array_map_alloc_check(union bpf_attr *attr)  in array_map_alloc_check()  argument
54 	bool percpu = attr->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;  in array_map_alloc_check()
55 	int numa_node = bpf_map_attr_numa_node(attr);  in array_map_alloc_check()
58 	if (attr->max_entries == 0 || attr->key_size != 4 ||  in array_map_alloc_check()
59 	    attr->value_size == 0 ||  in array_map_alloc_check()
60 	    attr->map_flags & ~ARRAY_CREATE_FLAG_MASK ||  in array_map_alloc_check()
61 	    !bpf_map_flags_access_ok(attr->map_flags) ||  in array_map_alloc_check()
65 	if (attr->map_type != BPF_MAP_TYPE_ARRAY &&  in array_map_alloc_check()
66 	    attr->map_flags & (BPF_F_MMAPABLE | BPF_F_INNER_MAP))  in array_map_alloc_check()
69 	if (attr->map_type != BPF_MAP_TYPE_PERF_EVENT_ARRAY &&  in array_map_alloc_check()
70 	    attr->map_flags & BPF_F_PRESERVE_ELEMS)  in array_map_alloc_check()
74 	if (attr->value_size > INT_MAX)  in array_map_alloc_check()
80 static struct bpf_map *array_map_alloc(union bpf_attr *attr)  in array_map_alloc()  argument
82 	bool percpu = attr->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;  in array_map_alloc()
83 	int numa_node = bpf_map_attr_numa_node(attr);  in array_map_alloc()
89 	elem_size = round_up(attr->value_size, 8);  in array_map_alloc()
91 	max_entries = attr->max_entries;  in array_map_alloc()
108 		if (max_entries < attr->max_entries)  in array_map_alloc()
119 		if (attr->map_flags & BPF_F_MMAPABLE) {  in array_map_alloc()
128 	if (attr->map_flags & BPF_F_MMAPABLE) {  in array_map_alloc()
146 	bpf_map_init_from_attr(&array->map, attr);  in array_map_alloc()
778 static int fd_array_map_alloc_check(union bpf_attr *attr)  in fd_array_map_alloc_check()  argument
781 	if (attr->value_size != sizeof(u32))  in fd_array_map_alloc_check()
784 	if (attr->map_flags & (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG))  in fd_array_map_alloc_check()
786 	return array_map_alloc_check(attr);  in fd_array_map_alloc_check()
1071 static struct bpf_map *prog_array_map_alloc(union bpf_attr *attr)  in prog_array_map_alloc()  argument
1084 	map = array_map_alloc(attr);  in prog_array_map_alloc()
1269 static struct bpf_map *array_of_map_alloc(union bpf_attr *attr)  in array_of_map_alloc()  argument
1273 	inner_map_meta = bpf_map_meta_alloc(attr->inner_map_fd);  in array_of_map_alloc()
1277 	map = array_map_alloc(attr);  in array_of_map_alloc()