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Lines Matching defs:old_entry

4418 uvm_mapent_clone(struct vm_map *new_map, struct vm_map_entry *old_entry,
4424 	/* old_entry -> new_entry */
4425 	uvm_mapent_copy(old_entry, new_entry);
4456     struct vm_map_entry *old_entry)
4459 	 * if the old_entry needs a new amap (due to prev fork)
4465 	if (UVM_ET_ISNEEDSCOPY(old_entry)) {
4467 		amap_copy(old_map, old_entry, AMAP_COPY_NOCHUNK,
4472 	uvm_mapent_clone(new_map, old_entry, AMAP_SHARED);
4478     struct vm_map_entry *old_entry)
4490 	new_entry = uvm_mapent_clone(new_map, old_entry, 0);
4527 	if (old_entry->aref.ar_amap != NULL) {
4528 		if ((amap_flags(old_entry->aref.ar_amap) & AMAP_SHARED) != 0 ||
4529 		    VM_MAPENT_ISWIRED(old_entry)) {
4548 	if (VM_MAPENT_ISWIRED(old_entry)) {
4555 		if (old_entry->aref.ar_amap)
4567 		if (old_entry->aref.ar_amap &&
4568 		    !UVM_ET_ISNEEDSCOPY(old_entry)) {
4569 			if (old_entry->max_protection & VM_PROT_WRITE) {
4571 				uvm_map_lock_entry(old_entry, RW_WRITER);
4573 				uvm_map_lock_entry(old_entry, RW_READER);
4576 				    old_entry->start, old_entry->end,
4577 				    old_entry->protection & ~VM_PROT_WRITE);
4578 				uvm_map_unlock_entry(old_entry);
4580 			old_entry->etype |= UVM_ET_NEEDSCOPY;
4590     struct vm_map_entry *old_entry)
4594 	new_entry = uvm_mapent_clone(new_map, old_entry, 0);
4631 	struct vm_map_entry *old_entry;
4642 	old_entry = old_map->header.next;
4649 	while (old_entry != &old_map->header) {
4655 		KASSERT(!UVM_ET_ISSUBMAP(old_entry));
4656 		KASSERT(UVM_ET_ISCOPYONWRITE(old_entry) ||
4657 			!UVM_ET_ISNEEDSCOPY(old_entry));
4659 		switch (old_entry->inheritance) {
4664 			new_map->size -= old_entry->end - old_entry->start;
4668 			uvm_mapent_forkshared(new_map, old_map, old_entry);
4672 			uvm_mapent_forkcopy(new_map, old_map, old_entry);
4676 			uvm_mapent_forkzero(new_map, old_map, old_entry);
4682 		old_entry = old_entry->next;