reiserfs: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 313d39d..77df82f 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -1284,12 +1284,12 @@
 		 ** -clm
 		 */
 
-		data = kmap_atomic(un_bh->b_page, KM_USER0);
+		data = kmap_atomic(un_bh->b_page);
 		off = ((le_ih_k_offset(&s_ih) - 1) & (PAGE_CACHE_SIZE - 1));
 		memcpy(data + off,
 		       B_I_PITEM(PATH_PLAST_BUFFER(path), &s_ih),
 		       ret_value);
-		kunmap_atomic(data, KM_USER0);
+		kunmap_atomic(data);
 	}
 	/* Perform balancing after all resources have been collected at once. */
 	do_balance(&s_del_balance, NULL, NULL, M_DELETE);