diff -urN 2.2.18pre19/mm/slab.c slab/mm/slab.c
--- 2.2.18pre19/mm/slab.c	Fri Nov  3 00:50:28 2000
+++ slab/mm/slab.c	Thu Nov  9 17:47:31 2000
@@ -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_RED_ZONE|SLAB_POISON;
 	/* Sanity checks... */
 #if	SLAB_MGMT_CHECKS
 	if (!name) {