kzero
(void) kzero(base, PAGESIZE - n);
(void) kzero(base, PAGESIZE - n);
(void) kzero(base + mapon + nmoved, (size_t)nzero);
(void) kzero(base, PAGESIZE - n);
(void) kzero(base + on + nmoved, (size_t)nzero);
(void) kzero(base + segmap_offset,
(void) kzero(base + segmap_offset + zoffset,
(void) kzero(base + mapon + nmoved, (uint32_t)nzero);
(void) kzero(base + mapon + nmoved, (uint_t)nzero);
int kzero(void *, size_t);
(void) kzero(addr + (vplen & MAXBOFFSET),
(void) kzero(vml[0].vs_addr, (uint_t)pon);
(void) kzero(vml[i].vs_addr + pon, (uint_t)nzero);
extern int kzero(void *addr, size_t count);