selftests/x86/lam.c

399 	void *sq_ptr = mmap(0, sring->ring_sz, PROT_READ | PROT_WRITE,
403 	if (sq_ptr == MAP_FAILED) {
408 	void *cq_ptr = sq_ptr;
416 			munmap(sq_ptr, sring->ring_sz);
421 	sring->head = sq_ptr + p.sq_off.head;
422 	sring->tail = sq_ptr + p.sq_off.tail;
423 	sring->ring_mask = sq_ptr + p.sq_off.ring_mask;
424 	sring->ring_entries = sq_ptr + p.sq_off.ring_entries;
425 	sring->flags = sq_ptr + p.sq_off.flags;
426 	sring->array = sq_ptr + p.sq_off.array;
433 		munmap(sq_ptr, sring->ring_sz);
434 		if (sq_ptr != cq_ptr) {