1597 static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)  in retract_page_tables()  argument
1604 	i_mmap_lock_write(mapping);  in retract_page_tables()
1605 	vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) {  in retract_page_tables()
1665 	i_mmap_unlock_write(mapping);  in retract_page_tables()
1690 	struct address_space *mapping = file->f_mapping;  in collapse_file()  local
1695 	XA_STATE_ORDER(xas, &mapping->i_pages, start, HPAGE_PMD_ORDER);  in collapse_file()
1734 	new_page->mapping = mapping;  in collapse_file()
1761 				if (!shmem_charge(mapping->host, 1)) {  in collapse_file()
1773 				if (shmem_getpage(mapping->host, index, &page,  in collapse_file()
1788 				page_cache_sync_readahead(mapping, &file->f_ra,  in collapse_file()
1793 				page = find_lock_page(mapping, index);  in collapse_file()
1813 				filemap_flush(mapping);  in collapse_file()
1850 		if (page_mapping(page) != mapping) {  in collapse_file()
1879 			unmap_mapping_pages(mapping, index, 1, false);  in collapse_file()
1919 		filemap_nr_thps_inc(mapping);  in collapse_file()
1927 		if (inode_is_open_for_write(mapping->host)) {  in collapse_file()
1930 			filemap_nr_thps_dec(mapping);  in collapse_file()
1961 			page->mapping = NULL;  in collapse_file()
1983 		retract_page_tables(mapping, start);  in collapse_file()
1992 		mapping->nrpages -= nr_none;  in collapse_file()
1995 			shmem_uncharge(mapping->host, nr_none);  in collapse_file()
2025 		new_page->mapping = NULL;  in collapse_file()
2040 	struct address_space *mapping = file->f_mapping;  in khugepaged_scan_file()  local
2041 	XA_STATE(xas, &mapping->i_pages, start);  in khugepaged_scan_file()