--- 2.2.13pre7-poison/mm/slab.c.~1~	Mon Jan 18 02:27:02 1999
+++ 2.2.13pre7-poison/mm/slab.c	Wed Sep 15 17:30:33 1999
@@ -125,7 +125,7 @@
  * SLAB_SELFTEST	- 1 to perform a few tests, mainly for development.
  */
 #define		SLAB_MGMT_CHECKS	1
-#define		SLAB_DEBUG_SUPPORT	0
+#define		SLAB_DEBUG_SUPPORT	1
 #define		SLAB_STATS		0
 #define		SLAB_SELFTEST		0
 
@@ -687,6 +687,7 @@
 	size_t		left_over;
 	size_t		align;
 
+	flags |= SLAB_POISON;
 	/* Sanity checks... */
 #if	SLAB_MGMT_CHECKS
 	if (!name) {