Index: linux-2.6.21-rc6/mm/slub.c
===================================================================
--- linux-2.6.21-rc6.orig/mm/slub.c	2007-04-11 14:09:08.000000000 -0700
+++ linux-2.6.21-rc6/mm/slub.c	2007-04-11 14:20:14.000000000 -0700
@@ -2396,11 +2396,6 @@ static int __init cpucache_init(void)
 __initcall(cpucache_init);
 #endif
 
-/*
- * These are not as efficient as kmalloc for the non debug case.
- * We do not have the page struct available so we have to touch one
- * cacheline in struct kmem_cache to check slab flags.
- */
 void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, void *caller)
 {
 	struct kmem_cache *s = get_slab(size, gfpflags);