112 struct khugepaged_scan {  struct
118 static struct khugepaged_scan khugepaged_scan = {  variable
119 	.mm_head = LIST_HEAD_INIT(khugepaged_scan.mm_head),
496 	wakeup = list_empty(&khugepaged_scan.mm_head);  in __khugepaged_enter()
497 	list_add_tail(&mm_slot->mm_node, &khugepaged_scan.mm_head);  in __khugepaged_enter()
534 	if (mm_slot && khugepaged_scan.mm_slot != mm_slot) {  in __khugepaged_exit()
2135 	if (khugepaged_scan.mm_slot)  in khugepaged_scan_mm_slot()
2136 		mm_slot = khugepaged_scan.mm_slot;  in khugepaged_scan_mm_slot()
2138 		mm_slot = list_entry(khugepaged_scan.mm_head.next,  in khugepaged_scan_mm_slot()
2140 		khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
2141 		khugepaged_scan.mm_slot = mm_slot;  in khugepaged_scan_mm_slot()
2155 		vma = find_vma(mm, khugepaged_scan.address);  in khugepaged_scan_mm_slot()
2175 		if (khugepaged_scan.address > hend)  in khugepaged_scan_mm_slot()
2177 		if (khugepaged_scan.address < hstart)  in khugepaged_scan_mm_slot()
2178 			khugepaged_scan.address = hstart;  in khugepaged_scan_mm_slot()
2179 		VM_BUG_ON(khugepaged_scan.address & ~HPAGE_PMD_MASK);  in khugepaged_scan_mm_slot()
2183 		while (khugepaged_scan.address < hend) {  in khugepaged_scan_mm_slot()
2189 			VM_BUG_ON(khugepaged_scan.address < hstart ||  in khugepaged_scan_mm_slot()
2190 				  khugepaged_scan.address + HPAGE_PMD_SIZE >  in khugepaged_scan_mm_slot()
2195 						khugepaged_scan.address);  in khugepaged_scan_mm_slot()
2203 						khugepaged_scan.address,  in khugepaged_scan_mm_slot()
2207 			khugepaged_scan.address += HPAGE_PMD_SIZE;  in khugepaged_scan_mm_slot()
2221 	VM_BUG_ON(khugepaged_scan.mm_slot != mm_slot);  in khugepaged_scan_mm_slot()
2232 		if (mm_slot->mm_node.next != &khugepaged_scan.mm_head) {  in khugepaged_scan_mm_slot()
2233 			khugepaged_scan.mm_slot = list_entry(  in khugepaged_scan_mm_slot()
2236 			khugepaged_scan.address = 0;  in khugepaged_scan_mm_slot()
2238 			khugepaged_scan.mm_slot = NULL;  in khugepaged_scan_mm_slot()
2250 	return !list_empty(&khugepaged_scan.mm_head) &&  in khugepaged_has_work()
2256 	return !list_empty(&khugepaged_scan.mm_head) ||  in khugepaged_wait_event()
2281 		if (!khugepaged_scan.mm_slot)  in khugepaged_do_scan()
2335 	mm_slot = khugepaged_scan.mm_slot;  in khugepaged()
2336 	khugepaged_scan.mm_slot = NULL;  in khugepaged()
2403 		if (!list_empty(&khugepaged_scan.mm_head))  in start_stop_khugepaged()