vm_object.c (0269ae4c19ad779b43b0d6e2416ac7386945d692) vm_object.c (0fd977b3fa32d54b61554416363faae8a7bfaa2b)
1/*-
2 * SPDX-License-Identifier: (BSD-3-Clause AND MIT-CMU)
3 *
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * The Mach Operating System project at Carnegie-Mellon University.

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1590
1591 /*
1592 * Page is out of the parent object's range, we can
1593 * simply destroy it.
1594 */
1595 vm_page_lock(p);
1596 KASSERT(!pmap_page_is_mapped(p),
1597 ("freeing mapped page %p", p));
1/*-
2 * SPDX-License-Identifier: (BSD-3-Clause AND MIT-CMU)
3 *
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * The Mach Operating System project at Carnegie-Mellon University.

--- 1581 unchanged lines hidden (view full) ---

1590
1591 /*
1592 * Page is out of the parent object's range, we can
1593 * simply destroy it.
1594 */
1595 vm_page_lock(p);
1596 KASSERT(!pmap_page_is_mapped(p),
1597 ("freeing mapped page %p", p));
1598 if (!vm_page_wired(p))
1598 if (vm_page_remove(p))
1599 vm_page_free(p);
1599 vm_page_free(p);
1600 else
1601 vm_page_remove(p);
1602 vm_page_unlock(p);
1603 continue;
1604 }
1605
1606 pp = vm_page_lookup(object, new_pindex);
1607 if (pp != NULL && vm_page_busied(pp)) {
1608 /*
1609 * The page in the parent is busy and possibly not

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1634 * backing object.
1635 */
1636 if (backing_object->type == OBJT_SWAP)
1637 swap_pager_freespace(backing_object, p->pindex,
1638 1);
1639 vm_page_lock(p);
1640 KASSERT(!pmap_page_is_mapped(p),
1641 ("freeing mapped page %p", p));
1600 vm_page_unlock(p);
1601 continue;
1602 }
1603
1604 pp = vm_page_lookup(object, new_pindex);
1605 if (pp != NULL && vm_page_busied(pp)) {
1606 /*
1607 * The page in the parent is busy and possibly not

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1632 * backing object.
1633 */
1634 if (backing_object->type == OBJT_SWAP)
1635 swap_pager_freespace(backing_object, p->pindex,
1636 1);
1637 vm_page_lock(p);
1638 KASSERT(!pmap_page_is_mapped(p),
1639 ("freeing mapped page %p", p));
1642 if (!vm_page_wired(p))
1640 if (vm_page_remove(p))
1643 vm_page_free(p);
1641 vm_page_free(p);
1644 else
1645 vm_page_remove(p);
1646 vm_page_unlock(p);
1647 continue;
1648 }
1649
1650 /*
1651 * Page does not exist in parent, rename the page from the
1652 * backing object to the main object.
1653 *

--- 1038 unchanged lines hidden --- 		1642 vm_page_unlock(p);
1643 continue;
1644 }
1645
1646 /*
1647 * Page does not exist in parent, rename the page from the
1648 * backing object to the main object.
1649 *

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