137 struct ksm_scan {  struct
238 static struct ksm_scan ksm_scan = {  variable
792 		age = (unsigned char)(ksm_scan.seqnr - rmap_item->address);  in remove_rmap_item_from_tree()
957 	ksm_scan.mm_slot = list_entry(ksm_mm_head.mm_list.next,  in unmerge_and_remove_all_rmap_items()
961 	for (mm_slot = ksm_scan.mm_slot;  in unmerge_and_remove_all_rmap_items()
962 			mm_slot != &ksm_mm_head; mm_slot = ksm_scan.mm_slot) {  in unmerge_and_remove_all_rmap_items()
980 		ksm_scan.mm_slot = list_entry(mm_slot->mm_list.next,  in unmerge_and_remove_all_rmap_items()
996 	ksm_scan.seqnr = 0;  in unmerge_and_remove_all_rmap_items()
1002 	ksm_scan.mm_slot = &ksm_mm_head;  in unmerge_and_remove_all_rmap_items()
1977 	rmap_item->address |= (ksm_scan.seqnr & SEQNR_MASK);  in unstable_tree_search_insert()
2221 	slot = ksm_scan.mm_slot;  in scan_get_next_rmap_item()
2259 		ksm_scan.mm_slot = slot;  in scan_get_next_rmap_item()
2268 		ksm_scan.address = 0;  in scan_get_next_rmap_item()
2269 		ksm_scan.rmap_list = &slot->rmap_list;  in scan_get_next_rmap_item()
2277 		vma = find_vma(mm, ksm_scan.address);  in scan_get_next_rmap_item()
2282 		if (ksm_scan.address < vma->vm_start)  in scan_get_next_rmap_item()
2283 			ksm_scan.address = vma->vm_start;  in scan_get_next_rmap_item()
2285 			ksm_scan.address = vma->vm_end;  in scan_get_next_rmap_item()
2287 		while (ksm_scan.address < vma->vm_end) {  in scan_get_next_rmap_item()
2290 			*page = follow_page(vma, ksm_scan.address, FOLL_GET);  in scan_get_next_rmap_item()
2292 				ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
2297 				flush_anon_page(vma, *page, ksm_scan.address);  in scan_get_next_rmap_item()
2300 					ksm_scan.rmap_list, ksm_scan.address);  in scan_get_next_rmap_item()
2302 					ksm_scan.rmap_list =  in scan_get_next_rmap_item()
2304 					ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
2311 			ksm_scan.address += PAGE_SIZE;  in scan_get_next_rmap_item()
2317 		ksm_scan.address = 0;  in scan_get_next_rmap_item()
2318 		ksm_scan.rmap_list = &slot->rmap_list;  in scan_get_next_rmap_item()
2324 	remove_trailing_rmap_items(slot, ksm_scan.rmap_list);  in scan_get_next_rmap_item()
2327 	ksm_scan.mm_slot = list_entry(slot->mm_list.next,  in scan_get_next_rmap_item()
2329 	if (ksm_scan.address == 0) {  in scan_get_next_rmap_item()
2360 	slot = ksm_scan.mm_slot;  in scan_get_next_rmap_item()
2364 	ksm_scan.seqnr++;  in scan_get_next_rmap_item()
2498 		list_add_tail(&mm_slot->mm_list, &ksm_scan.mm_slot->mm_list);  in __ksm_enter()
2526 	if (mm_slot && ksm_scan.mm_slot != mm_slot) {  in __ksm_exit()
2533 				  &ksm_scan.mm_slot->mm_list);  in __ksm_exit()
3105 	return sprintf(buf, "%lu\n", ksm_scan.seqnr);  in full_scans_show()