Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[firefly-linux-kernel-4.4.55.git] / mm / memory_hotplug.c

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 9f646374e32f5ec7704b86ad653c2794037b830a..02159c755136ea0463f57a2a951f9cad223aceb1 100644 (file)
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -494,6 +494,12 @@ static pg_data_t __ref *hotadd_new_pgdat(int nid, u64 start)
        /* init node's zones as empty zones, we don't have any present pages.*/
        free_area_init_node(nid, zones_size, start_pfn, zholes_size);
 
+       /*
+        * The node we allocated has no zone fallback lists. For avoiding
+        * to access not-initialized zonelist, build here.
+        */
+       build_all_zonelists(NULL);
+
        return pgdat;
 }