1621 	vm_map_entry_t new_entry, next_entry, prev_entry;  in vm_map_insert1()  local
1653 	if (vm_map_lookup_entry(map, start, &prev_entry))  in vm_map_insert1()
1659 	next_entry = vm_map_entry_succ(prev_entry);  in vm_map_insert1()
1738 	} else if ((prev_entry->eflags & ~MAP_ENTRY_USER_WIRED) ==  in vm_map_insert1()
1742 	    prev_entry->end == start && (prev_entry->cred == cred ||  in vm_map_insert1()
1743 	    (prev_entry->object.vm_object != NULL &&  in vm_map_insert1()
1744 	    prev_entry->object.vm_object->cred == cred)) &&  in vm_map_insert1()
1745 	    vm_object_coalesce(prev_entry->object.vm_object,  in vm_map_insert1()
1746 	    prev_entry->offset,  in vm_map_insert1()
1747 	    (vm_size_t)(prev_entry->end - prev_entry->start),  in vm_map_insert1()
1748 	    (vm_size_t)(end - prev_entry->end), cred != NULL &&  in vm_map_insert1()
1755 		if (prev_entry->inheritance == inheritance &&  in vm_map_insert1()
1756 		    prev_entry->protection == prot &&  in vm_map_insert1()
1757 		    prev_entry->max_protection == max &&  in vm_map_insert1()
1758 		    prev_entry->wired_count == 0) {  in vm_map_insert1()
1759 			KASSERT((prev_entry->eflags & MAP_ENTRY_USER_WIRED) ==  in vm_map_insert1()
1761 			    prev_entry));  in vm_map_insert1()
1762 			if ((prev_entry->eflags & MAP_ENTRY_GUARD) == 0)  in vm_map_insert1()
1763 				map->size += end - prev_entry->end;  in vm_map_insert1()
1764 			vm_map_entry_resize(map, prev_entry,  in vm_map_insert1()
1765 			    end - prev_entry->end);  in vm_map_insert1()
1766 			*res = vm_map_try_merge_entries(map, prev_entry,  in vm_map_insert1()
1777 		object = prev_entry->object.vm_object;  in vm_map_insert1()
1778 		offset = prev_entry->offset +  in vm_map_insert1()
1779 		    (prev_entry->end - prev_entry->start);  in vm_map_insert1()
1782 		    !(prev_entry->eflags & MAP_ENTRY_NEEDS_COPY)) {  in vm_map_insert1()
1827 	vm_map_try_merge_entries(map, prev_entry, new_entry);  in vm_map_insert1()
2371 vm_map_try_merge_entries(vm_map_t map, vm_map_entry_t prev_entry,  in vm_map_try_merge_entries()  argument
2377 	    vm_map_mergeable_neighbors(prev_entry, entry)) {  in vm_map_try_merge_entries()
2378 		vm_map_entry_unlink(map, prev_entry, UNLINK_MERGE_NEXT);  in vm_map_try_merge_entries()
2379 		vm_map_merged_neighbor_dispose(map, prev_entry);  in vm_map_try_merge_entries()
2382 	return (prev_entry);  in vm_map_try_merge_entries()
2522     vm_map_entry_t *res_entry, vm_map_entry_t *prev_entry)  in vm_map_lookup_clip_start()  argument
2530 		    (uintmax_t)start, prev_entry);  in vm_map_lookup_clip_start()
2532 	if (vm_map_lookup_entry(map, start, prev_entry)) {  in vm_map_lookup_clip_start()
2533 		entry = *prev_entry;  in vm_map_lookup_clip_start()
2537 		*prev_entry = vm_map_entry_pred(entry);  in vm_map_lookup_clip_start()
2539 		entry = vm_map_entry_succ(*prev_entry);  in vm_map_lookup_clip_start()
2778 	vm_map_entry_t entry, first_entry, in_tran, prev_entry;  in vm_map_protect()  local
2950 	for (prev_entry = vm_map_entry_pred(first_entry), entry = first_entry;  in vm_map_protect()
2952 	    vm_map_try_merge_entries(map, prev_entry, entry),  in vm_map_protect()
2953 	    prev_entry = entry, entry = vm_map_entry_succ(entry)) {  in vm_map_protect()
2996 	vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_protect()
3016 	vm_map_entry_t entry, prev_entry;  in vm_map_madvise()  local
3063 		rv = vm_map_lookup_clip_start(map, start, &entry, &prev_entry);  in vm_map_madvise()
3069 		for (; entry->start < end; prev_entry = entry,  in vm_map_madvise()
3108 			vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_madvise()
3110 		vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_madvise()
3212 	vm_map_entry_t entry, lentry, prev_entry, start_entry;  in vm_map_inherit()  local
3228 	rv = vm_map_lookup_clip_start(map, start, &start_entry, &prev_entry);  in vm_map_inherit()
3238 		    prev_entry = entry, entry = vm_map_entry_succ(entry)) {  in vm_map_inherit()
3246 	for (entry = start_entry; entry->start < end; prev_entry = entry,  in vm_map_inherit()
3253 		vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_inherit()
3255 	vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_inherit()
3319 	vm_map_entry_t entry, first_entry, next_entry, prev_entry;  in vm_map_unwire()  local
3398 		prev_entry = first_entry;  in vm_map_unwire()
3401 		prev_entry = vm_map_entry_pred(first_entry);  in vm_map_unwire()
3405 	    prev_entry = entry, entry = vm_map_entry_succ(entry)) {  in vm_map_unwire()
3441 		vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_unwire()
3443 	vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_unwire()
3528 	vm_map_entry_t entry, first_entry, next_entry, prev_entry;  in vm_map_wire_locked()  local
3686 		prev_entry = first_entry;  in vm_map_wire_locked()
3689 		prev_entry = vm_map_entry_pred(first_entry);  in vm_map_wire_locked()
3693 	    prev_entry = entry, entry = vm_map_entry_succ(entry)) {  in vm_map_wire_locked()
3750 		vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_wire_locked()
3752 	vm_map_try_merge_entries(map, prev_entry, entry);  in vm_map_wire_locked()
4587 	vm_map_entry_t gap_entry, new_entry, prev_entry;  in vm_map_stack_locked()  local
4616 	if (vm_map_lookup_entry(map, addrbos, &prev_entry))  in vm_map_stack_locked()
4622 	if (vm_map_entry_succ(prev_entry)->start < addrbos + max_ssize)  in vm_map_stack_locked()