UMEM_UNINITIALIZED_PATTERN
vec->a_data[i].a_type = UMEM_UNINITIALIZED_PATTERN;
((u_longlong_t)UMEM_UNINITIALIZED_PATTERN << 32) |
((u_longlong_t)UMEM_UNINITIALIZED_PATTERN);
mdb_umem_copy_pattern(UMEM_UNINITIALIZED_PATTERN, ptr, nbytes);
copy_pattern(UMEM_UNINITIALIZED_PATTERN, slab, slabsize);
UMEM_UNINITIALIZED_PATTERN, buf, cp->cache_verify)) {