* Split an entry at the address 'pa'. Return zero on success or errno. */
| 1573 | * Split an entry at the address 'pa'. Return zero on success or errno. |
| 1574 | */ |
| 1575 | static int |
| 1576 | vm_phys_avail_split(vm_paddr_t pa, int i) |
| 1577 | { |
| 1578 | int cnt; |
| 1579 | |
| 1580 | vm_phys_avail_check(i); |
| 1581 | if (pa <= phys_avail[i] || pa >= phys_avail[i + 1]) |
| 1582 | panic("vm_phys_avail_split: invalid address"); |
| 1583 | cnt = vm_phys_avail_count(); |
| 1584 | if (cnt >= PHYS_AVAIL_ENTRIES) |
| 1585 | return (ENOSPC); |
| 1586 | memmove(&phys_avail[i + 2], &phys_avail[i], |
| 1587 | (cnt - i) * sizeof(phys_avail[0])); |
| 1588 | phys_avail[i + 1] = pa; |
| 1589 | phys_avail[i + 2] = pa; |
| 1590 | vm_phys_avail_check(i); |
| 1591 | vm_phys_avail_check(i+2); |
| 1592 | |
| 1593 | return (0); |
| 1594 | } |
| 1595 | |
| 1596 | void |
| 1597 | vm_phys_early_add_seg(vm_paddr_t start, vm_paddr_t end) |
no test coverage detected