UVM_FLAG_OVERLAY
UVM_FLAG_FIXED|UVM_FLAG_OVERLAY|UVM_FLAG_COPYONW));
UVM_FLAG_FIXED|UVM_FLAG_OVERLAY|UVM_FLAG_COPYONW)) != 0)
if ((flags & UVM_FLAG_OVERLAY) == 0)
if (flags & UVM_FLAG_OVERLAY) {
uvmflag |= UVM_FLAG_OVERLAY;
UVM_FLAG_OVERLAY|UVM_FLAG_COPYONW));