1 files changed, 1 insertions, 0 deletions
diff --git a/mm/ksm.c b/mm/ksm.c
index f51613052aee..cafe00dfdc3b 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -633,6 +633,7 @@ static void remove_rmap_item_from_tree(struct rmap_item *rmap_item)
 			ksm_pages_shared--;
 
 		put_anon_vma(rmap_item->anon_vma);
+		rmap_item->head = NULL;
 		rmap_item->address &= PAGE_MASK;
 
 	} else if (rmap_item->address & UNSTABLE_FLAG) {