612 	unsigned long nr = compound_nr(page);  in shmem_add_to_page_cache()  local
615 	VM_BUG_ON_PAGE(index != round_down(index, nr), page);  in shmem_add_to_page_cache()
620 	page_ref_add(page, nr);  in shmem_add_to_page_cache()
635 		if (++i < nr) {  in shmem_add_to_page_cache()
643 		mapping->nrpages += nr;  in shmem_add_to_page_cache()
644 		__mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, nr);  in shmem_add_to_page_cache()
645 		__mod_node_page_state(page_pgdat(page), NR_SHMEM, nr);  in shmem_add_to_page_cache()
652 		page_ref_sub(page, nr);  in shmem_add_to_page_cache()
779 		pvec.nr = find_get_entries(mapping, index,  in shmem_unlock_mapping()
781 		if (!pvec.nr)  in shmem_unlock_mapping()
783 		index = indices[pvec.nr - 1] + 1;  in shmem_unlock_mapping()
816 		pvec.nr = find_get_entries(mapping, index,  in shmem_undo_range()
819 		if (!pvec.nr)  in shmem_undo_range()
907 		pvec.nr = find_get_entries(mapping, index,  in shmem_undo_range()
910 		if (!pvec.nr) {  in shmem_undo_range()
1176 	for (i = 0; i < pvec.nr; i++) {  in shmem_unuse_swap_entries()
1217 		pvec.nr = shmem_find_swap_entries(mapping, start, nr_entries,  in shmem_unuse_inode()
1220 		if (pvec.nr == 0) {  in shmem_unuse_inode()
1237 		start = indices[pvec.nr - 1];  in shmem_unuse_inode()
1510 	int nr;  in shmem_alloc_and_acct_page()  local
1515 	nr = huge ? HPAGE_PMD_NR : 1;  in shmem_alloc_and_acct_page()
1517 	if (!shmem_inode_acct_block(inode, nr))  in shmem_alloc_and_acct_page()
1531 	shmem_inode_unacct_blocks(inode, nr);  in shmem_alloc_and_acct_page()
2552 		unsigned long nr, ret;  in shmem_file_read_iter()  local
2559 			nr = i_size & ~PAGE_MASK;  in shmem_file_read_iter()
2560 			if (nr <= offset)  in shmem_file_read_iter()
2580 		nr = PAGE_SIZE;  in shmem_file_read_iter()
2584 			nr = i_size & ~PAGE_MASK;  in shmem_file_read_iter()
2585 			if (nr <= offset) {  in shmem_file_read_iter()
2591 		nr -= offset;  in shmem_file_read_iter()
2615 		ret = copy_page_to_iter(page, offset, nr, to);  in shmem_file_read_iter()
2624 		if (ret < nr) {  in shmem_file_read_iter()
2649 	pvec.nr = 1;		/* start small: we may be there already */  in shmem_seek_hole_data()
2651 		pvec.nr = find_get_entries(mapping, index,  in shmem_seek_hole_data()
2652 					pvec.nr, pvec.pages, indices);  in shmem_seek_hole_data()
2653 		if (!pvec.nr) {  in shmem_seek_hole_data()
2658 		for (i = 0; i < pvec.nr; i++, index++) {  in shmem_seek_hole_data()
2680 		pvec.nr = PAGEVEC_SIZE;  in shmem_seek_hole_data()