pgtok
ru->ru_ixrss += pgtok(vm->vm_tsize) * cnt;
ru->ru_idrss += pgtok(vm->vm_dsize) * cnt;
ru->ru_isrss += pgtok(vm->vm_ssize) * cnt;
rss = pgtok(vmspace_resident_count(vm));
maxusers = pgtok(physpages) / (2 * 1024);
maxproc_clamp = pgtok(physpages) / (3 * 1024 / 64);
maxfiles = imax(MAXFILES, pgtok(physpages) / (1024 / 32));
maxfiles_clamp = pgtok(physpages) / (1024 / 64);
rss = pgtok(vmspace_resident_count(p->p_vmspace));
physvnodes = maxproc + pgtok(vm_cnt.v_page_count) / 32 +
min(98304 * 16, pgtok(vm_cnt.v_page_count)) / 32;