Increase maximum kmalloc size to 256K

The workqueue structure can grow larger than 128k under 2.6.14-rc2 (with all debugging features enabled!)
which will make kzalloc for workqueue structure entries fail. This patch increases the maximum slab entry
size to 256K.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

Index: linux-2.6.14-rc2/include/linux/kmalloc_sizes.h
===================================================================
--- linux-2.6.14-rc2.orig/include/linux/kmalloc_sizes.h	2005-09-19 20:00:41.000000000 -0700
+++ linux-2.6.14-rc2/include/linux/kmalloc_sizes.h	2005-09-22 12:41:19.000000000 -0700
@@ -19,8 +19,8 @@
 	CACHE(32768)
 	CACHE(65536)
 	CACHE(131072)
-#ifndef CONFIG_MMU
 	CACHE(262144)
+#ifndef CONFIG_MMU
 	CACHE(524288)
 	CACHE(1048576)
 #ifdef CONFIG_LARGE_ALLOCS