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ksm: fix deadlock with munlock in exit_mmap
[firefly-linux-kernel-4.4.55.git]
/
mm
/
memory_hotplug.c
diff --git
a/mm/memory_hotplug.c
b/mm/memory_hotplug.c
index e4412a676c88494ec313ebb3e974d2d71ee5c525..616236e6343f87d1beb7ac90598a93c087c04e40 100644
(file)
--- a/
mm/memory_hotplug.c
+++ b/
mm/memory_hotplug.c
@@
-422,6
+422,7
@@
int online_pages(unsigned long pfn, unsigned long nr_pages)
zone->present_pages += onlined_pages;
zone->zone_pgdat->node_present_pages += onlined_pages;
+ zone_pcp_update(zone);
setup_per_zone_wmarks();
calculate_zone_inactive_ratio(zone);
if (onlined_pages) {