VQ_PGSZ
const uint32_t front_len = MIN(len, VQ_PGSZ - front_offset);
VQ_PGSZ) / VQ_PGSZ;
const uint32_t chunk_len = MIN(len, VQ_PGSZ);
vrp->vrp_npages = howmany(end - vrp->vrp_base, VQ_PGSZ);
for (uint_t i = 0; i < vrp->vrp_npages; i++, pa += VQ_PGSZ) {
#define VQ_PGOFF (VQ_PGSZ - 1)
const uint_t page_num = off / VQ_PGSZ;
const uint_t page_off = off % VQ_PGSZ;
#define LEGACY_VQ_ALIGN VQ_PGSZ