1 files changed, 3 insertions, 0 deletions

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c37319542b70..9576ed920c0a 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -21,6 +21,7 @@
 #include <linux/highmem.h>
 #include <linux/vmalloc.h>
 #include <linux/ioport.h>
+#include <linux/cpuset.h>
 
 #include <asm/tlbflush.h>
 
@@ -283,6 +284,8 @@ int add_memory(int nid, u64 start, u64 size)
         /* we online node here. we can't roll back from here. */
         node_set_online(nid);
 
+        cpuset_track_online_nodes();
+
         if (new_pgdat) {
                 ret = register_one_node(nid);
                 /*