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-rw-r--r--mm/memory_hotplug.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6a5b90d0cfd7..b35016156c19 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -970,8 +970,13 @@ repeat:
init_per_zone_wmark_min();
- if (!populated_zone(zone))
+ if (!populated_zone(zone)) {
zone_pcp_reset(zone);
+ mutex_lock(&zonelists_mutex);
+ build_all_zonelists(NULL, NULL);
+ mutex_unlock(&zonelists_mutex);
+ } else
+ zone_pcp_update(zone);
if (!node_present_pages(node)) {
node_clear_state(node, N_HIGH_MEMORY);