diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 096efd7..d846d39 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -383,12 +383,12 @@
  * You must be holding the inode's req_lock when calling this function
  */
 int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head,
-		struct list_head *dst, unsigned long idx_start,
+		struct list_head *dst, pgoff_t idx_start,
 		unsigned int npages)
 {
 	struct nfs_page *pgvec[NFS_SCAN_MAXENTRIES];
 	struct nfs_page *req;
-	unsigned long idx_end;
+	pgoff_t idx_end;
 	int found, i;
 	int res;