dump_field
#define DUMP0(n,type,field,...) dump_field(pdev, " ", #field, n->field);
#define DUMP1(n,type,field,...) dump_field(pdev, " ", #field, n->field);
#define DUMP2(n,type,field,...) dump_field(pdev, " ", #field, n->field);
#define DUMP3(n,type,field,...) dump_field(pdev, " ", #field, n->field);