MPT_REQUEST_AREA
memset(cfgp, 0, MPT_REQUEST_AREA);
pptr += MPT_REQUEST_AREA;
vptr += MPT_REQUEST_AREA;
#define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA)
MPT_REQUEST_AREA, (ops))