diff options
Diffstat (limited to 'vm/memory_object.c')
| -rw-r--r-- | vm/memory_object.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/vm/memory_object.c b/vm/memory_object.c index e281c6a3..41bfd739 100644 --- a/vm/memory_object.c +++ b/vm/memory_object.c @@ -217,12 +217,22 @@ retry_lookup: data_m->dirty = FALSE; pmap_clear_modify(data_m->phys_addr); + if (!object->internal) { + data_m->external = TRUE; + if (lock_value == VM_PROT_NONE) { + /* Be sure we get notified if page + could be potentially dirty */ + lock_value = VM_PROT_WRITE; + } + } + data_m->page_lock = lock_value; data_m->unlock_request = VM_PROT_NONE; data_m->precious = precious; vm_page_lock_queues(); vm_page_insert(data_m, object, offset); + vm_page_external_count++; if (was_absent) vm_page_activate(data_m); @@ -749,11 +759,13 @@ MACRO_BEGIN \ \ vm_object_lock(object); \ \ + vm_page_lock_queues(); \ for (i = 0; i < atop(new_offset); i++) { \ hp = holding_pages[i]; \ if (hp != VM_PAGE_NULL) \ VM_PAGE_FREE(hp); \ } \ + vm_page_unlock_queues(); \ \ new_object = VM_OBJECT_NULL; \ MACRO_END @@ -912,6 +924,7 @@ memory_object_set_attributes_common(object, object_ready, may_cache, case MEMORY_OBJECT_COPY_CALL: case MEMORY_OBJECT_COPY_DELAY: case MEMORY_OBJECT_COPY_TEMPORARY: + case MEMORY_OBJECT_COPY_VMPRIV: break; default: vm_object_deallocate(object); @@ -943,6 +956,10 @@ memory_object_set_attributes_common(object, object_ready, may_cache, object->pager_ready = object_ready; if (copy_strategy == MEMORY_OBJECT_COPY_TEMPORARY) { object->temporary = TRUE; + } else if (copy_strategy == MEMORY_OBJECT_COPY_VMPRIV) { + object->vm_privileged = TRUE; + object->copy_strategy = MEMORY_OBJECT_COPY_NONE; + printf("creating an vm_privileged object\n"); } else { object->copy_strategy = copy_strategy; } |