514 	struct stack_map_bucket *bucket;  member
540 	stackid->bucket = READ_ONCE(smap->buckets[stackid->id]);  in stackid_init()
541 	stackid->hash_matches = stackid->bucket && stackid->bucket->hash == stackid->hash;  in stackid_init()
561 	if (stackid->hash_matches && stackid->bucket->nr == stackid->nr &&  in stackid_fastpath()
562 	    memcmp(stackid->bucket->data, stackid->ips, stackid->len) == 0)  in stackid_fastpath()
564 	if (stackid->bucket && !(flags & BPF_F_REUSE_STACKID))  in stackid_fastpath()
574 	struct stack_map_bucket *bucket;  in stackid_new_bucket()  local
577 	bucket = (struct stack_map_bucket *) pcpu_freelist_pop(&smap->freelist);  in stackid_new_bucket()
578 	if (unlikely(!bucket))  in stackid_new_bucket()
582 		id_offs = (struct bpf_stack_build_id *)bucket->data;  in stackid_new_bucket()
586 		memcpy(bucket->data, stackid->ips, stackid->len);  in stackid_new_bucket()
589 	bucket->hash = stackid->hash;  in stackid_new_bucket()
590 	bucket->nr = stackid->nr;  in stackid_new_bucket()
591 	return bucket;  in stackid_new_bucket()
608 		if (stackid->hash_matches && stackid->bucket->nr == stackid->nr &&  in stackid_install()
609 		    memcmp(stackid->bucket->data, new_bucket->data, trace_len) == 0) {  in stackid_install()
613 		if (stackid->bucket && !(flags & BPF_F_REUSE_STACKID)) {  in stackid_install()
1039 	struct stack_map_bucket *bucket, *old_bucket;  in bpf_stackmap_extract()  local
1045 	bucket = xchg(&smap->buckets[id], NULL);  in bpf_stackmap_extract()
1046 	if (!bucket)  in bpf_stackmap_extract()
1049 	trace_len = bucket->nr * stack_map_data_size(map);  in bpf_stackmap_extract()
1050 	memcpy(value, bucket->data, trace_len);  in bpf_stackmap_extract()
1054 		old_bucket = bucket;  in bpf_stackmap_extract()
1056 		old_bucket = xchg(&smap->buckets[id], bucket);  in bpf_stackmap_extract()