--- 2.6/mm/slab.c	2005-06-05 17:29:01.000000000 +0200
+++ build-2.6/mm/slab.c	2005-06-06 21:34:38.000000000 +0200
@@ -1480,9 +1480,14 @@
 			} 	
 			if (!strcmp(pc->name,name)) { 
 				printk("kmem_cache_create: duplicate cache %s\n",name); 
-				up(&cache_chain_sem); 
-				unlock_cpu_hotplug();
-				BUG(); 
+				/* This is a severe bug, because it breaks
+				 * tuning by writing to /proc/slabinfo.
+				 * But everything else works, and since
+				 * duplicate caches typically happen if
+				 * someone inserts a module twice, we'll
+				 * continue.
+				 */
+				WARN_ON(1); 
 			}	
 		}
 		set_fs(old_fs);