138 struct ksm_scan {  struct
237 static struct ksm_scan ksm_scan = {  variable
852 		age = (unsigned char)(ksm_scan.seqnr - rmap_item->address);  in remove_rmap_item_from_tree()
1025 	ksm_scan.mm_slot = mm_slot_entry(slot, struct ksm_mm_slot, slot);  in unmerge_and_remove_all_rmap_items()
1028 	for (mm_slot = ksm_scan.mm_slot; mm_slot != &ksm_mm_head;  in unmerge_and_remove_all_rmap_items()
1029 	     mm_slot = ksm_scan.mm_slot) {  in unmerge_and_remove_all_rmap_items()
1058 		ksm_scan.mm_slot = mm_slot_entry(slot, struct ksm_mm_slot, slot);  in unmerge_and_remove_all_rmap_items()
1074 	ksm_scan.seqnr = 0;  in unmerge_and_remove_all_rmap_items()
1080 	ksm_scan.mm_slot = &ksm_mm_head;  in unmerge_and_remove_all_rmap_items()
2057 	rmap_item->address |= (ksm_scan.seqnr & SEQNR_MASK);  in unstable_tree_search_insert()
2320 	mm_slot = ksm_scan.mm_slot;  in scan_get_next_rmap_item()
2322 		trace_ksm_start_scan(ksm_scan.seqnr, ksm_rmap_items);  in scan_get_next_rmap_item()
2363 		ksm_scan.mm_slot = mm_slot;  in scan_get_next_rmap_item()
2372 		ksm_scan.address = 0;  in scan_get_next_rmap_item()
2373 		ksm_scan.rmap_list = &mm_slot->rmap_list;  in scan_get_next_rmap_item()
2378 	vma_iter_init(&vmi, mm, ksm_scan.address);  in scan_get_next_rmap_item()
2387 		if (ksm_scan.address < vma->vm_start)  in scan_get_next_rmap_item()
2388 			ksm_scan.address = vma->vm_start;  in scan_get_next_rmap_item()
2390 			ksm_scan.address = vma->vm_end;  in scan_get_next_rmap_item()
2392 		while (ksm_scan.address < vma->vm_end) {  in scan_get_next_rmap_item()
2395 			*page = follow_page(vma, ksm_scan.address, FOLL_GET);  in scan_get_next_rmap_item()
2397 				ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
2404 				flush_anon_page(vma, *page, ksm_scan.address);  in scan_get_next_rmap_item()
2407 					ksm_scan.rmap_list, ksm_scan.address);  in scan_get_next_rmap_item()
2409 					ksm_scan.rmap_list =  in scan_get_next_rmap_item()
2411 					ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
2419 			ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
2426 		ksm_scan.address = 0;  in scan_get_next_rmap_item()
2427 		ksm_scan.rmap_list = &mm_slot->rmap_list;  in scan_get_next_rmap_item()
2433 	remove_trailing_rmap_items(ksm_scan.rmap_list);  in scan_get_next_rmap_item()
2438 	ksm_scan.mm_slot = mm_slot_entry(slot, struct ksm_mm_slot, slot);  in scan_get_next_rmap_item()
2439 	if (ksm_scan.address == 0) {  in scan_get_next_rmap_item()
2471 	mm_slot = ksm_scan.mm_slot;  in scan_get_next_rmap_item()
2475 	trace_ksm_stop_scan(ksm_scan.seqnr, ksm_rmap_items);  in scan_get_next_rmap_item()
2476 	ksm_scan.seqnr++;  in scan_get_next_rmap_item()
2734 		list_add_tail(&slot->mm_node, &ksm_scan.mm_slot->slot.mm_node);  in __ksm_enter()
2765 	if (mm_slot && ksm_scan.mm_slot != mm_slot) {  in __ksm_exit()
2772 				  &ksm_scan.mm_slot->slot.mm_node);  in __ksm_exit()
3445 	return sysfs_emit(buf, "%lu\n", ksm_scan.seqnr);  in full_scans_show()