Sergio López, le Fri 23 Sep 2011 00:17:10 +0200, a écrit : > Perhaps a simple flag in the object indicating if some of its pages > have been activated, and a change in vm_page_activate to turn on that > flag, would be enough to save a significant number of cycles. > > Better ideas?
Perhaps vm_object_deactivate_pages should at least keep the vm_page_queue_lock for more than just one iteration. XNU does it for 64 pages. Otherwise, it looks to me like a simple and sensible optimization. Samuel
