1 files changed, 1 insertions, 2 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index cf18f0942553..25788b1b7fcf 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1324,12 +1324,11 @@ struct mempolicy *__mpol_copy(struct mempolicy *old)
         atomic_set(&new->refcnt, 1);
         if (new->policy == MPOL_BIND) {
                 int sz = ksize(old->v.zonelist);
-                new->v.zonelist = kmalloc(sz, SLAB_KERNEL);
+                new->v.zonelist = kmemdup(old->v.zonelist, sz, SLAB_KERNEL);
                 if (!new->v.zonelist) {
                         kmem_cache_free(policy_cache, new);
                         return ERR_PTR(-ENOMEM);
                 }
-                memcpy(new->v.zonelist, old->v.zonelist, sz);
         }
         return new;
 }