mm/hotplug: correctly add new zone to all other nodes' zone lists

[pandora-kernel.git] / mm / memory_hotplug.c

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 9ad7d1e..09d87b7 100644 (file)
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -515,19 +515,20 @@ int __ref online_pages(unsigned long pfn, unsigned long nr_pages)
 
        zone->present_pages += onlined_pages;
        zone->zone_pgdat->node_present_pages += onlined_pages;
-       if (need_zonelists_rebuild)
-               build_all_zonelists(zone);
-       else
-               zone_pcp_update(zone);
+       if (onlined_pages) {
+               node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
+               if (need_zonelists_rebuild)
+                       build_all_zonelists(zone);
+               else
+                       zone_pcp_update(zone);
+       }
 
        mutex_unlock(&zonelists_mutex);
 
        init_per_zone_wmark_min();
 
-       if (onlined_pages) {
+       if (onlined_pages)
                kswapd_run(zone_to_nid(zone));
-               node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
-       }
 
        vm_total_pages = nr_free_pagecache_pages();