slub: Use NUMA_NO_NODE in get_partial

A -1 was leftover during the conversion.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
diff --git a/mm/slub.c b/mm/slub.c
index 129f10c..5284fb7 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1487,7 +1487,7 @@
 	int searchnode = (node == NUMA_NO_NODE) ? numa_node_id() : node;
 
 	page = get_partial_node(get_node(s, searchnode));
-	if (page || node != -1)
+	if (page || node != NUMA_NO_NODE)
 		return page;
 
 	return get_any_partial(s, flags);