[PATCH] fix slab allocator for non zero boot cpu

The slab allocator doesnt initialise ->array for all cpus. This means
we fail to boot on a machine with boot cpu != 0. I was testing current
2.5 BK.

Luckily Rusty was at hand to explain the ins and outs of initialisers
to me.

mm/slab.c

@@ -437,7 +437,8 @@ struct arraycache_init initarray_generic __initdata = { { 0, BOOT_CPUCACHE_ENTRI
 /* internal cache of cache description objs */
 static kmem_cache_t cache_cache = {
 	.lists		= LIST3_INIT(cache_cache.lists),
-	.array		= { [0] = &initarray_cache.cache },
+	/* Allow for boot cpu != 0 */
+	.array		= { [0 ... NR_CPUS-1] = &initarray_cache.cache },
 	.batchcount	= 1,
 	.limit		= BOOT_CPUCACHE_ENTRIES,
 	.objsize	= sizeof(kmem_cache_t),