DL_CAPAB_VMSAFE_MEM
if ((zc_ic->zerocopy_flags & DL_CAPAB_VMSAFE_MEM) != 0) {
zc_oc->zerocopy_flags |= DL_CAPAB_VMSAFE_MEM;
zcopy.zerocopy_flags = DL_CAPAB_VMSAFE_MEM;
dlzp->zerocopy_flags = DL_CAPAB_VMSAFE_MEM;
ASSERT(flags == DL_CAPAB_VMSAFE_MEM);
ASSERT(flags == DL_CAPAB_VMSAFE_MEM);
if (!(flags & DL_CAPAB_VMSAFE_MEM)) {
zcopy.zerocopy_flags = DL_CAPAB_VMSAFE_MEM;