_debug("extract data");
                if (call->count > 0) {
                        page = call->reply3;
-                       buffer = kmap_atomic(page, KM_USER0);
+                       buffer = kmap_atomic(page);
                        ret = afs_extract_data(call, skb, last, buffer,
                                               call->count);
-                       kunmap_atomic(buffer, KM_USER0);
+                       kunmap_atomic(buffer);
                        switch (ret) {
                        case 0:         break;
                        case -EAGAIN:   return 0;
        if (call->count < PAGE_SIZE) {
                _debug("clear");
                page = call->reply3;
-               buffer = kmap_atomic(page, KM_USER0);
+               buffer = kmap_atomic(page);
                memset(buffer + call->count, 0, PAGE_SIZE - call->count);
-               kunmap_atomic(buffer, KM_USER0);
+               kunmap_atomic(buffer);
        }
 
        _leave(" = 0 [done]");
 
                if (PageError(page))
                        goto error;
 
-               buf = kmap_atomic(page, KM_USER0);
+               buf = kmap_atomic(page);
                memcpy(devname, buf, size);
-               kunmap_atomic(buf, KM_USER0);
+               kunmap_atomic(buf);
                page_cache_release(page);
                page = NULL;
        }