mm: memcontrol: charge swap to cgroup2

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

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 676ff29..69cb246 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -170,6 +170,11 @@ int add_to_swap(struct page *page, struct list_head *list)
        if (!entry.val)
                return 0;
 
+       if (mem_cgroup_try_charge_swap(page, entry)) {
+               swapcache_free(entry);
+               return 0;
+       }
+
        if (unlikely(PageTransHuge(page)))
                if (unlikely(split_huge_page_to_list(page, list))) {
                        swapcache_free(entry);