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-rw-r--r--mm/memory.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 04004834e985..83be99d9d8a1 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2642,6 +2642,7 @@ int do_swap_page(struct fault_env *fe, pte_t orig_pte)
if (page == swapcache) {
do_page_add_anon_rmap(page, vma, fe->address, exclusive);
mem_cgroup_commit_charge(page, memcg, true, false);
+ activate_page(page);
} else { /* ksm created a completely new copy */
page_add_new_anon_rmap(page, vma, fe->address, false);
mem_cgroup_commit_charge(page, memcg, false, false);