97 struct khugepaged_scan {  struct
102 static struct khugepaged_scan khugepaged_scan = {  variable
103 	.mm_head = LIST_HEAD_INIT(khugepaged_scan.mm_head),
159 		if (!list_empty(&khugepaged_scan.mm_head))  in start_stop_khugepaged()
2043 	wakeup = list_empty(&khugepaged_scan.mm_head);  in __khugepaged_enter()
2044 	list_add_tail(&mm_slot->mm_node, &khugepaged_scan.mm_head);  in __khugepaged_enter()
2081 	if (mm_slot && khugepaged_scan.mm_slot != mm_slot) {  in __khugepaged_exit()
2674 	if (khugepaged_scan.mm_slot)  in khugepaged_scan_mm_slot()
2675 		mm_slot = khugepaged_scan.mm_slot;  in khugepaged_scan_mm_slot()
2677 		mm_slot = list_entry(khugepaged_scan.mm_head.next,  in khugepaged_scan_mm_slot()
2679 		khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
2680 		khugepaged_scan.mm_slot = mm_slot;  in khugepaged_scan_mm_slot()
2689 		vma = find_vma(mm, khugepaged_scan.address);  in khugepaged_scan_mm_slot()
2709 		if (khugepaged_scan.address > hend)  in khugepaged_scan_mm_slot()
2711 		if (khugepaged_scan.address < hstart)  in khugepaged_scan_mm_slot()
2712 			khugepaged_scan.address = hstart;  in khugepaged_scan_mm_slot()
2713 		VM_BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);  in khugepaged_scan_mm_slot()
2715 		while (khugepaged_scan.address < hend) {  in khugepaged_scan_mm_slot()
2721 			VM_BUG_ON(khugepaged_scan.address < hstart ||  in khugepaged_scan_mm_slot()
2722 				  khugepaged_scan.address + HPAGE_PMD_SIZE >  in khugepaged_scan_mm_slot()
2725 						  khugepaged_scan.address,  in khugepaged_scan_mm_slot()
2728 			khugepaged_scan.address += HPAGE_PMD_SIZE;  in khugepaged_scan_mm_slot()
2742 	VM_BUG_ON(khugepaged_scan.mm_slot != mm_slot);  in khugepaged_scan_mm_slot()
2753 		if (mm_slot->mm_node.next != &khugepaged_scan.mm_head) {  in khugepaged_scan_mm_slot()
2754 			khugepaged_scan.mm_slot = list_entry(  in khugepaged_scan_mm_slot()
2757 			khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
2759 			khugepaged_scan.mm_slot = NULL;  in khugepaged_scan_mm_slot()
2771 	return !list_empty(&khugepaged_scan.mm_head) &&  in khugepaged_has_work()
2777 	return !list_empty(&khugepaged_scan.mm_head) ||  in khugepaged_wait_event()
2800 		if (!khugepaged_scan.mm_slot)  in khugepaged_do_scan()
2846 	mm_slot = khugepaged_scan.mm_slot;  in khugepaged()
2847 	khugepaged_scan.mm_slot = NULL;  in khugepaged()