diff --git a/mm/slab.c b/mm/slab.c
index 06236e4..77c00a0 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -219,6 +219,7 @@ typedef unsigned int kmem_bufctl_t;
  */
 struct slab {
 	struct list_head list;
+	unsigned long buh;
 	unsigned long colouroff;
 	void *s_mem;		/* including colour offset */
 	unsigned int inuse;	/* num of objs active in slab */
@@ -2943,7 +2944,18 @@ bad:
 		     i++) {
 			if (i % 16 == 0)
 				printk("\n%03x:", i);
-			printk(" %02x", ((unsigned char *)slabp)[i]);
+			printk(" %0x", ((unsigned char *)slabp)[i]);
+		}
+		printk("\n");
+		if (!OFF_SLAB(cachep) && (cachep->flags & SLAB_RED_ZONE)) {
+			printk("redzone codes:\n");
+			for (i = 0; i < cachep->num; i++) {
+				void *objp = index_to_obj(cachep, slabp, i);
+
+				if (i % 2 == 0)
+					printk("\n%03x:", i);
+				printk("%llx/%llx ", *dbg_redzone1(cachep, objp), *dbg_redzone2(cachep, objp));
+			}
 		}
 		printk("\n");
 		BUG();