shmem: add huge pages support

[cascardo/linux.git] / mm / swap.c

diff --git a/mm/swap.c b/mm/swap.c
index 90530ff..616df4d 100644 (file)
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -292,6 +292,7 @@ static bool need_activate_page_drain(int cpu)
 
 void activate_page(struct page *page)
 {
+       page = compound_head(page);
        if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
                struct pagevec *pvec = &get_cpu_var(activate_page_pvecs);
 
@@ -316,6 +317,7 @@ void activate_page(struct page *page)
 {
        struct zone *zone = page_zone(page);
 
+       page = compound_head(page);
        spin_lock_irq(&zone->lru_lock);
        __activate_page(page, mem_cgroup_page_lruvec(page, zone), NULL);
        spin_unlock_irq(&zone->lru_lock);