PAGE_ROUNDUP
alloc_size = PAGE_ROUNDUP(all_bitmap_size);
size = PAGE_ROUNDUP(pages * sizeof (*imap));
size = PAGE_ROUNDUP((uintptr_t)_end) - (uintptr_t)_start;
eaddr = (caddr_t)PAGE_ROUNDUP((uintptr_t)_end);
sfile.size = PAGE_ROUNDUP(cdump.cdd_filesize);
bytes = PAGE_ROUNDUP(pg_off + datalen);
eva = sva + PAGE_ROUNDUP(size);
size = PAGE_ROUNDUP(dbtob(4) + cpr_bitmap_size);