1604 
1605         if (RESTRICT4G_ALLOC) {
1606                 VM_STAT_ADD(vmm_vmstats.restrict4gcnt);
1607                 /* here only for > 4g systems */
1608                 *flags |= PGI_MT_RANGE4G;
1609         } else if (RESTRICT16M_ALLOC(freemem, btop(pgsz), *flags)) {
1610                 *flags |= PGI_MT_RANGE16M;
1611         } else {
1612                 VM_STAT_ADD(vmm_vmstats.unrestrict16mcnt);
1613                 VM_STAT_COND_ADD((*flags & PG_PANIC), vmm_vmstats.pgpanicalloc);
1614                 *flags |= PGI_MT_RANGE0;
1615         }
1616 #endif /* !__xpv */
1617         return (mtype);
1618 }
1619 
1620 
1621 /* mtype init for page_get_replacement_page */
1622 /*ARGSUSED*/
1623 int
1624 mtype_pgr_init(int *flags, page_t *pp, int mnode, pgcnt_t pgcnt)
1625 {
1626         int mtype = mtypetop;
1627 #if !defined(__xpv)
1628         if (RESTRICT16M_ALLOC(freemem, pgcnt, *flags)) {
1629                 *flags |= PGI_MT_RANGE16M;
1630         } else {
1631                 VM_STAT_ADD(vmm_vmstats.unrestrict16mcnt);
1632                 *flags |= PGI_MT_RANGE0;
1633         }
1634 #endif
1635         return (mtype);
1636 }
1637 
1638 /*
1639  * Determine if the mnode range specified in mtype contains memory belonging
1640  * to memory node mnode.  If flags & PGI_MT_RANGE is set then mtype contains
1641  * the range from high pfn to 0, 16m or 4g.
1642  *
1643  * Return first mnode range type index found otherwise return -1 if none found.
1644  */

1604 
1605         if (RESTRICT4G_ALLOC) {
1606                 VM_STAT_ADD(vmm_vmstats.restrict4gcnt);
1607                 /* here only for > 4g systems */
1608                 *flags |= PGI_MT_RANGE4G;
1609         } else if (RESTRICT16M_ALLOC(freemem, btop(pgsz), *flags)) {
1610                 *flags |= PGI_MT_RANGE16M;
1611         } else {
1612                 VM_STAT_ADD(vmm_vmstats.unrestrict16mcnt);
1613                 VM_STAT_COND_ADD((*flags & PG_PANIC), vmm_vmstats.pgpanicalloc);
1614                 *flags |= PGI_MT_RANGE0;
1615         }
1616 #endif /* !__xpv */
1617         return (mtype);
1618 }
1619 
1620 
1621 /* mtype init for page_get_replacement_page */
1622 /*ARGSUSED*/
1623 int
1624 mtype_pgr_init(int *flags, page_t *pp, pgcnt_t pgcnt)
1625 {
1626         int mtype = mtypetop;
1627 #if !defined(__xpv)
1628         if (RESTRICT16M_ALLOC(freemem, pgcnt, *flags)) {
1629                 *flags |= PGI_MT_RANGE16M;
1630         } else {
1631                 VM_STAT_ADD(vmm_vmstats.unrestrict16mcnt);
1632                 *flags |= PGI_MT_RANGE0;
1633         }
1634 #endif
1635         return (mtype);
1636 }
1637 
1638 /*
1639  * Determine if the mnode range specified in mtype contains memory belonging
1640  * to memory node mnode.  If flags & PGI_MT_RANGE is set then mtype contains
1641  * the range from high pfn to 0, 16m or 4g.
1642  *
1643  * Return first mnode range type index found otherwise return -1 if none found.
1644  */