10 struct sample {  struct
24 	__type(key, struct sample);  argument
38 	struct sample *sample, sample_copy;  in test_ringbuf_mem_map_key()  local
44 	sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0);  in test_ringbuf_mem_map_key()
45 	if (!sample)  in test_ringbuf_mem_map_key()
48 	sample->pid = pid;  in test_ringbuf_mem_map_key()
49 	bpf_get_current_comm(sample->comm, sizeof(sample->comm));  in test_ringbuf_mem_map_key()
50 	sample->seq = ++seq;  in test_ringbuf_mem_map_key()
51 	sample->value = 42;  in test_ringbuf_mem_map_key()
53 	/* test using 'sample' (PTR_TO_MEM | MEM_ALLOC) as map key arg  in test_ringbuf_mem_map_key()
55 	lookup_val = (int *)bpf_map_lookup_elem(&hash_map, sample);  in test_ringbuf_mem_map_key()
61 	 * when trying to do bpf_map_update_elem(&hash_map, sample, &sample->seq, BPF_ANY);  in test_ringbuf_mem_map_key()
63 	 * Since bpf_map_lookup_elem above uses 'sample' as key, test using  in test_ringbuf_mem_map_key()
64 	 * sample field as value below  in test_ringbuf_mem_map_key()
66 	__builtin_memcpy(&sample_copy, sample, sizeof(struct sample));  in test_ringbuf_mem_map_key()
67 	bpf_map_update_elem(&hash_map, &sample_copy, &sample->seq, BPF_ANY);  in test_ringbuf_mem_map_key()
69 	bpf_ringbuf_submit(sample, 0);  in test_ringbuf_mem_map_key()