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-rw-r--r--mm/memory.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index bb1369f7b9b..0abd07097ec 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3044,7 +3044,10 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
}
flush_icache_page(vma, page);
set_pte_at(mm, address, page_table, pte);
- do_page_add_anon_rmap(page, vma, address, exclusive);
+ if (swapcache) /* ksm created a completely new copy */
+ page_add_new_anon_rmap(page, vma, address);
+ else
+ do_page_add_anon_rmap(page, vma, address, exclusive);
/* It's better to call commit-charge after rmap is established */
mem_cgroup_commit_charge_swapin(page, ptr);