kernel/vm/vm_page.cpp

1877 init_page_marker(vm_page &marker)
1879 	marker.SetCacheRef(NULL);
1880 	marker.InitState(PAGE_STATE_UNUSED);
1881 	marker.busy = true;
1883 	marker.queue = NULL;
1886 	marker.accessing_thread = thread_get_current_thread_id();
1892 remove_page_marker(struct vm_page &marker)
1894 	DEBUG_PAGE_ACCESS_CHECK(&marker);
1896 	if (marker.State() < PAGE_STATE_FIRST_UNQUEUED)
1897 		sPageQueues[marker.State()].RemoveUnlocked(&marker);
1899 	marker.SetState(PAGE_STATE_UNUSED);
2555 find_cached_page_candidate(struct vm_page &marker)
2557 	DEBUG_PAGE_ACCESS_CHECK(&marker);
2562 	if (marker.State() == PAGE_STATE_UNUSED) {
2567 		if (marker.State() != PAGE_STATE_CACHED) {
2568 			panic("invalid marker %p state", &marker);
2572 		page = sCachedPageQueue.Next(&marker);
2573 		sCachedPageQueue.Remove(&marker);
2574 		marker.SetState(PAGE_STATE_UNUSED);
2579 			// we found a candidate, insert marker
2580 			marker.SetState(PAGE_STATE_CACHED);
2581 			sCachedPageQueue.InsertAfter(page, &marker);
2627 	vm_page marker;
2628 	init_page_marker(marker);
2633 		vm_page *page = find_cached_page_candidate(marker);
2650 	remove_page_marker(marker);
2753 	vm_page marker;
2754 	init_page_marker(marker);
2775 		queue.InsertAfter(page, &marker);
2785 			nextPage = queue.Next(&marker);
2786 			queue.Remove(&marker);
2847 		// remove the marker
2849 		nextPage = queue.Next(&marker);
2850 		queue.Remove(&marker);
2870 	vm_page marker;
2871 	init_page_marker(marker);
2904 		queue.InsertAfter(page, &marker);
2913 			nextPage = queue.Next(&marker);
2914 			queue.Remove(&marker);
2946 		// remove the marker
2948 		nextPage = queue.Next(&marker);
2949 		queue.Remove(&marker);