217 	struct stack_map_bucket *bucket, *new_bucket, *old_bucket;  in __bpf_get_stackid()  local
233 	bucket = READ_ONCE(smap->buckets[id]);  in __bpf_get_stackid()
235 	hash_matches = bucket && bucket->hash == hash;  in __bpf_get_stackid()
251 		if (hash_matches && bucket->nr == trace_nr &&  in __bpf_get_stackid()
252 		    memcmp(bucket->data, new_bucket->data, trace_len) == 0) {  in __bpf_get_stackid()
256 		if (bucket && !(flags & BPF_F_REUSE_STACKID)) {  in __bpf_get_stackid()
261 		if (hash_matches && bucket->nr == trace_nr &&  in __bpf_get_stackid()
262 		    memcmp(bucket->data, ips, trace_len) == 0)  in __bpf_get_stackid()
264 		if (bucket && !(flags & BPF_F_REUSE_STACKID))  in __bpf_get_stackid()
581 	struct stack_map_bucket *bucket, *old_bucket;  in bpf_stackmap_copy()  local
587 	bucket = xchg(&smap->buckets[id], NULL);  in bpf_stackmap_copy()
588 	if (!bucket)  in bpf_stackmap_copy()
591 	trace_len = bucket->nr * stack_map_data_size(map);  in bpf_stackmap_copy()
592 	memcpy(value, bucket->data, trace_len);  in bpf_stackmap_copy()
595 	old_bucket = xchg(&smap->buckets[id], bucket);  in bpf_stackmap_copy()