diff --git a/mm/ksm.c b/mm/ksm.c
index d021bcf94c41..87a541ab1474 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -778,6 +778,7 @@ static void remove_rmap_item_from_tree(struct rmap_item *rmap_item)
 		stable_node->rmap_hlist_len--;
 
 		put_anon_vma(rmap_item->anon_vma);
+		rmap_item->head = NULL;
 		rmap_item->address &= PAGE_MASK;
 
 	} else if (rmap_item->address & UNSTABLE_FLAG) {