100 struct khugepaged_scan {  struct
105 static struct khugepaged_scan khugepaged_scan = {  argument
106 	.mm_head = LIST_HEAD_INIT(khugepaged_scan.mm_head),
161 		if (!list_empty(&khugepaged_scan.mm_head))  in start_stop_khugepaged()
2116 	wakeup = list_empty(&khugepaged_scan.mm_head);  in __khugepaged_enter()
2117 	list_add_tail(&mm_slot->mm_node, &khugepaged_scan.mm_head);  in __khugepaged_enter()
2154 	if (mm_slot && khugepaged_scan.mm_slot != mm_slot) {  in __khugepaged_exit()
2753 	if (khugepaged_scan.mm_slot)  in khugepaged_scan_mm_slot()
2754 		mm_slot = khugepaged_scan.mm_slot;  in khugepaged_scan_mm_slot()
2756 		mm_slot = list_entry(khugepaged_scan.mm_head.next,  in khugepaged_scan_mm_slot()
2758 		khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
2759 		khugepaged_scan.mm_slot = mm_slot;  in khugepaged_scan_mm_slot()
2768 		vma = find_vma(mm, khugepaged_scan.address);  in khugepaged_scan_mm_slot()
2788 		if (khugepaged_scan.address > hend)  in khugepaged_scan_mm_slot()
2790 		if (khugepaged_scan.address < hstart)  in khugepaged_scan_mm_slot()
2791 			khugepaged_scan.address = hstart;  in khugepaged_scan_mm_slot()
2792 		VM_BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);  in khugepaged_scan_mm_slot()
2794 		while (khugepaged_scan.address < hend) {  in khugepaged_scan_mm_slot()
2800 			VM_BUG_ON(khugepaged_scan.address < hstart ||  in khugepaged_scan_mm_slot()
2801 				  khugepaged_scan.address + HPAGE_PMD_SIZE >  in khugepaged_scan_mm_slot()
2804 						  khugepaged_scan.address,  in khugepaged_scan_mm_slot()
2807 			khugepaged_scan.address += HPAGE_PMD_SIZE;  in khugepaged_scan_mm_slot()
2821 	VM_BUG_ON(khugepaged_scan.mm_slot != mm_slot);  in khugepaged_scan_mm_slot()
2832 		if (mm_slot->mm_node.next != &khugepaged_scan.mm_head) {  in khugepaged_scan_mm_slot()
2833 			khugepaged_scan.mm_slot = list_entry(  in khugepaged_scan_mm_slot()
2836 			khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
2838 			khugepaged_scan.mm_slot = NULL;  in khugepaged_scan_mm_slot()
2850 	return !list_empty(&khugepaged_scan.mm_head) &&  in khugepaged_has_work()
2856 	return !list_empty(&khugepaged_scan.mm_head) ||  in khugepaged_wait_event()
2879 		if (!khugepaged_scan.mm_slot)  in khugepaged_do_scan()
2923 	mm_slot = khugepaged_scan.mm_slot;  in khugepaged()
2924 	khugepaged_scan.mm_slot = NULL;  in khugepaged()