Index: linux-2.6.21-rc7-mm2/include/linux/slub_def.h
===================================================================
--- linux-2.6.21-rc7-mm2.orig/include/linux/slub_def.h	2007-04-26 18:25:50.000000000 -0700
+++ linux-2.6.21-rc7-mm2/include/linux/slub_def.h	2007-04-26 18:31:31.000000000 -0700
@@ -143,14 +143,6 @@ static inline struct kmem_cache *kmalloc
 	if (index == 0)
 		return NULL;
 
-	if (index < 0) {
-		/*
-		 * Generate a link failure. Would be great if we could
-		 * do something to stop the compile here.
-		 */
-		extern void __kmalloc_size_too_large(void);
-		__kmalloc_size_too_large();
-	}
 	return &kmalloc_caches[index];
 }
 
@@ -166,6 +158,8 @@ static inline void *kmalloc(size_t size,
 	if (__builtin_constant_p(size) && !(flags & SLUB_DMA)) {
 		struct kmem_cache *s = kmalloc_slab(size);
 
+		BUILD_BUG_ON(size > (1 << KMALLOC_SHIFT_HIGH));
+
 		if (!s)
 			return NULL;
 
@@ -174,11 +168,15 @@ static inline void *kmalloc(size_t size,
 		return __kmalloc(size, flags);
 }
 
-static inline void *kzalloc(size_t size, gfp_t flags)
+static __always_inline void *kzalloc(size_t size, gfp_t flags)
 {
-	if (__builtin_constant_p(size) && !(flags & SLUB_DMA)) {
+	BUILD_BUG_ON(size > (1 << KMALLOC_SHIFT_HIGH));
+	if (__builtin_constant_p(size)
+// && !(flags & SLUB_DMA)
+) {
 		struct kmem_cache *s = kmalloc_slab(size);
 
+
 		if (!s)
 			return NULL;
 
Index: linux-2.6.21-rc7-mm2/mm/slub.c
===================================================================
--- linux-2.6.21-rc7-mm2.orig/mm/slub.c	2007-04-26 18:27:44.000000000 -0700
+++ linux-2.6.21-rc7-mm2/mm/slub.c	2007-04-26 18:28:09.000000000 -0700
@@ -2660,6 +2660,8 @@ static void resiliency_test(void)
 	p[512] = 0xab;
 	printk(KERN_ERR "\n3. kmalloc-512: Clobber redzone 0xab->0x%p\n\n", p);
 	validate_slab_cache(kmalloc_caches + 9);
+	p= kzalloc(1 << 30, GFP_KERNEL);
+	printk("%p", p);
 }
 #else
 static void resiliency_test(void) {};