1 files changed, 3 insertions, 0 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d879f1d8a44a..32cba0332787 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2124,6 +2124,9 @@ bool __mpol_equal(struct mempolicy *a, struct mempolicy *b)
         case MPOL_INTERLEAVE:
                 return !!nodes_equal(a->v.nodes, b->v.nodes);
         case MPOL_PREFERRED:
+                /* a's ->flags is the same as b's */
+                if (a->flags & MPOL_F_LOCAL)
+                        return true;
                 return a->v.preferred_node == b->v.preferred_node;
         default:
                 BUG();