106 struct khugepaged_scan {  struct
112 static struct khugepaged_scan khugepaged_scan = {  argument
113 	.mm_head = LIST_HEAD_INIT(khugepaged_scan.mm_head),
453 	wakeup = list_empty(&khugepaged_scan.mm_head);  in __khugepaged_enter()
454 	list_add_tail(&mm_slot->mm_node, &khugepaged_scan.mm_head);  in __khugepaged_enter()
491 	if (mm_slot && khugepaged_scan.mm_slot != mm_slot) {  in __khugepaged_exit()
1915 	if (khugepaged_scan.mm_slot)  in khugepaged_scan_mm_slot()
1916 		mm_slot = khugepaged_scan.mm_slot;  in khugepaged_scan_mm_slot()
1918 		mm_slot = list_entry(khugepaged_scan.mm_head.next,  in khugepaged_scan_mm_slot()
1920 		khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
1921 		khugepaged_scan.mm_slot = mm_slot;  in khugepaged_scan_mm_slot()
1935 		vma = find_vma(mm, khugepaged_scan.address);  in khugepaged_scan_mm_slot()
1955 		if (khugepaged_scan.address > hend)  in khugepaged_scan_mm_slot()
1957 		if (khugepaged_scan.address < hstart)  in khugepaged_scan_mm_slot()
1958 			khugepaged_scan.address = hstart;  in khugepaged_scan_mm_slot()
1959 		VM_BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);  in khugepaged_scan_mm_slot()
1961 		while (khugepaged_scan.address < hend) {  in khugepaged_scan_mm_slot()
1967 			VM_BUG_ON(khugepaged_scan.address < hstart ||  in khugepaged_scan_mm_slot()
1968 				  khugepaged_scan.address + HPAGE_PMD_SIZE >  in khugepaged_scan_mm_slot()
1973 						khugepaged_scan.address);  in khugepaged_scan_mm_slot()
1985 						khugepaged_scan.address,  in khugepaged_scan_mm_slot()
1989 			khugepaged_scan.address += HPAGE_PMD_SIZE;  in khugepaged_scan_mm_slot()
2003 	VM_BUG_ON(khugepaged_scan.mm_slot != mm_slot);  in khugepaged_scan_mm_slot()
2014 		if (mm_slot->mm_node.next != &khugepaged_scan.mm_head) {  in khugepaged_scan_mm_slot()
2015 			khugepaged_scan.mm_slot = list_entry(  in khugepaged_scan_mm_slot()
2018 			khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
2020 			khugepaged_scan.mm_slot = NULL;  in khugepaged_scan_mm_slot()
2032 	return !list_empty(&khugepaged_scan.mm_head) &&  in khugepaged_has_work()
2038 	return !list_empty(&khugepaged_scan.mm_head) ||  in khugepaged_wait_event()
2061 		if (!khugepaged_scan.mm_slot)  in khugepaged_do_scan()
2115 	mm_slot = khugepaged_scan.mm_slot;  in khugepaged()
2116 	khugepaged_scan.mm_slot = NULL;  in khugepaged()
2185 		if (!list_empty(&khugepaged_scan.mm_head))  in start_stop_khugepaged()