[IA64] Update arch/ia64/configs/* s/SLAB/SLUB/

The slab allocator was changed in 2.6.23 to default to SLUB. However,
the config files in arch/ia64/configs still use SLAB. Switch them to SLUB.

Added same change to arch/ia64/defconfig ... Tony

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
index 4a060fc..0a06b13 100644
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -48,7 +48,7 @@
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
+CONFIG_SLUB=y
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set