118 struct ksm_scan {  struct
200 static struct ksm_scan ksm_scan = {  variable
646 		age = (unsigned char)(ksm_scan.seqnr - rmap_item->address);  in remove_rmap_item_from_tree()
776 	ksm_scan.mm_slot = list_entry(ksm_mm_head.mm_list.next,  in unmerge_and_remove_all_rmap_items()
780 	for (mm_slot = ksm_scan.mm_slot;  in unmerge_and_remove_all_rmap_items()
781 			mm_slot != &ksm_mm_head; mm_slot = ksm_scan.mm_slot) {  in unmerge_and_remove_all_rmap_items()
798 		ksm_scan.mm_slot = list_entry(mm_slot->mm_list.next,  in unmerge_and_remove_all_rmap_items()
817 	ksm_scan.seqnr = 0;  in unmerge_and_remove_all_rmap_items()
823 	ksm_scan.mm_slot = &ksm_mm_head;  in unmerge_and_remove_all_rmap_items()
1380 	rmap_item->address |= (ksm_scan.seqnr & SEQNR_MASK);  in unstable_tree_search_insert()
1547 	slot = ksm_scan.mm_slot;  in scan_get_next_rmap_item()
1587 		ksm_scan.mm_slot = slot;  in scan_get_next_rmap_item()
1596 		ksm_scan.address = 0;  in scan_get_next_rmap_item()
1597 		ksm_scan.rmap_list = &slot->rmap_list;  in scan_get_next_rmap_item()
1605 		vma = find_vma(mm, ksm_scan.address);  in scan_get_next_rmap_item()
1610 		if (ksm_scan.address < vma->vm_start)  in scan_get_next_rmap_item()
1611 			ksm_scan.address = vma->vm_start;  in scan_get_next_rmap_item()
1613 			ksm_scan.address = vma->vm_end;  in scan_get_next_rmap_item()
1615 		while (ksm_scan.address < vma->vm_end) {  in scan_get_next_rmap_item()
1618 			*page = follow_page(vma, ksm_scan.address, FOLL_GET);  in scan_get_next_rmap_item()
1620 				ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
1626 				flush_anon_page(vma, *page, ksm_scan.address);  in scan_get_next_rmap_item()
1629 					ksm_scan.rmap_list, ksm_scan.address);  in scan_get_next_rmap_item()
1631 					ksm_scan.rmap_list =  in scan_get_next_rmap_item()
1633 					ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
1640 			ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
1646 		ksm_scan.address = 0;  in scan_get_next_rmap_item()
1647 		ksm_scan.rmap_list = &slot->rmap_list;  in scan_get_next_rmap_item()
1653 	remove_trailing_rmap_items(slot, ksm_scan.rmap_list);  in scan_get_next_rmap_item()
1656 	ksm_scan.mm_slot = list_entry(slot->mm_list.next,  in scan_get_next_rmap_item()
1658 	if (ksm_scan.address == 0) {  in scan_get_next_rmap_item()
1682 	slot = ksm_scan.mm_slot;  in scan_get_next_rmap_item()
1686 	ksm_scan.seqnr++;  in scan_get_next_rmap_item()
1813 		list_add_tail(&mm_slot->mm_list, &ksm_scan.mm_slot->mm_list);  in __ksm_enter()
1841 	if (mm_slot && ksm_scan.mm_slot != mm_slot) {  in __ksm_exit()
1848 				  &ksm_scan.mm_slot->mm_list);  in __ksm_exit()
2278 	return sprintf(buf, "%lu\n", ksm_scan.seqnr);  in full_scans_show()