mm: drain percpu lru add/rotate page-vectors on cpu hot-unplug

[karo-tx-linux.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 98552cf1da8bddea523b9024c6a5c50fa94a181c..673596ad9c80060374bfda006d61741c0eb898c6 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4825,6 +4825,7 @@ static int page_alloc_cpu_notify(struct notifier_block *self,
        int cpu = (unsigned long)hcpu;
 
        if (action == CPU_DEAD || action == CPU_DEAD_FROZEN) {
+               lru_add_drain_cpu(cpu);
                drain_pages(cpu);
 
                /*