1 files changed, 1 insertions, 11 deletions

diff --git a/mm/slab.c b/mm/slab.c
index 98ac20bc0de9..47982c2d9f39 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -89,6 +89,7 @@
 #include        <linux/config.h>
 #include        <linux/slab.h>
 #include        <linux/mm.h>
+#include        <linux/poison.h>
 #include        <linux/swap.h>
 #include        <linux/cache.h>
 #include        <linux/interrupt.h>
@@ -492,17 +493,6 @@ struct kmem_cache {
 #endif
 
 #if DEBUG
-/*
- * Magic nums for obj red zoning.
- * Placed in the first word before and the first word after an obj.
- */
-#define RED_INACTIVE    0x5A2CF071UL    /* when obj is inactive */
-#define RED_ACTIVE      0x170FC2A5UL    /* when obj is active */
-
-/* ...and for poisoning */
-#define POISON_INUSE    0x5a    /* for use-uninitialised poisoning */
-#define POISON_FREE     0x6b    /* for use-after-free poisoning */
-#define POISON_END      0xa5    /* end-byte of poisoning */
 
 /*
  * memory layout of objects: