sys/vm/vm_map.c

3129 vmspace_map_entry_forked(const struct vmspace *vm1, struct vmspace *vm2,
3136 	vm2->vm_map.size += entrysize;
3138 		vm2->vm_ssize += btoc(entrysize);
3143 		vm2->vm_dsize += btoc(newend - entry->start);
3148 		vm2->vm_tsize += btoc(newend - entry->start);
3166 	struct vmspace *vm2;
3173 	/* Copy immutable fields of vm1 to vm2. */
3174 	vm2 = vmspace_alloc(old_map->min_offset, old_map->max_offset);
3175 	if (vm2 == NULL)
3177 	vm2->vm_taddr = vm1->vm_taddr;
3178 	vm2->vm_daddr = vm1->vm_daddr;
3179 	vm2->vm_maxsaddr = vm1->vm_maxsaddr;
3183 	new_map = &vm2->vm_map;
3283 			vmspace_map_entry_forked(vm1, vm2, new_entry);
3311 			vmspace_map_entry_forked(vm1, vm2, new_entry);
3327 	return (vm2);