Added a comment to vm_page_write_modified() that writing pages can only

be done consistently if they are unmapped from memory - which is not yet
done.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10285 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/core/vm/vm_page.c

@@ -169,6 +169,10 @@ vm_page_write_modified(vm_cache *cache)
 			remove_page_from_queue(&page_modified_queue, page);
 			page->state = PAGE_STATE_BUSY;
 			gotPage = true;
+
+			// ToDo: just setting PAGE_STAGE_BUSY is not enough, we would also
+			//	need to remove all mappings of this page - else, you could still
+			//	write to this page.
 		}
 
 		release_spinlock(&page_lock);