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-rw-r--r--mm/page_alloc.c1
-rw-r--r--mm/swap.c4
2 files changed, 3 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 98552cf1da8..673596ad9c8 100644
--- 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);
/*
diff --git a/mm/swap.c b/mm/swap.c
index 14380e9fbe3..5c13f133897 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -496,7 +496,7 @@ static void lru_deactivate_fn(struct page *page, void *arg)
* Either "cpu" is the current CPU, and preemption has already been
* disabled; or "cpu" is being hot-unplugged, and is already dead.
*/
-static void drain_cpu_pagevecs(int cpu)
+void lru_add_drain_cpu(int cpu)
{
struct pagevec *pvecs = per_cpu(lru_add_pvecs, cpu);
struct pagevec *pvec;
@@ -553,7 +553,7 @@ void deactivate_page(struct page *page)
void lru_add_drain(void)
{
- drain_cpu_pagevecs(get_cpu());
+ lru_add_drain_cpu(get_cpu());
put_cpu();
}