Index: linux-2.6.21-rc3-mm2/mm/slub.c
===================================================================
--- linux-2.6.21-rc3-mm2.orig/mm/slub.c	2007-03-19 12:41:53.000000000 -0700
+++ linux-2.6.21-rc3-mm2/mm/slub.c	2007-03-19 12:44:25.000000000 -0700
@@ -229,7 +229,7 @@ static void print_track(const char *s, s
 	} else
 #endif
 	printk(KERN_ERR "%s: 0x%p", s, t->addr);
-	printk(" jiffies since=%d cpu=%d pid=%d\n", t->cpu, t->pid, jiffies - t->when);
+	printk(" jiffies since=%lu cpu=%u pid=%d\n", t->cpu, t->pid, jiffies - t->when);
 }
 
 static void print_trailer(struct kmem_cache *s, u8 *p)
@@ -1219,12 +1219,6 @@ void kmem_cache_free(struct kmem_cache *
 	if (unlikely(PageCompound(page)))
 		page = page->first_page;
 
-	if (!s)
-		s = page->slab;
-
-	slab_free(s, page, x);
-	if (PageError(page) && s->flags & SLAB_STORE_USER)
-			set_tracking(s, x, 1);
 }
 EXPORT_SYMBOL(kmem_cache_free);