diff --git a/arch/ia64/configs/gensparse_defconfig b/arch/ia64/configs/gensparse_defconfig
index 744fd2f79f61..0d29aa2066b3 100644
--- a/arch/ia64/configs/gensparse_defconfig
+++ b/arch/ia64/configs/gensparse_defconfig
@@ -116,6 +116,7 @@ CONFIG_IOSAPIC=y
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
 CONFIG_NR_CPUS=512
+CONFIG_IA64_NR_NODES=256
 CONFIG_HOTPLUG_CPU=y
 # CONFIG_SCHED_SMT is not set
 # CONFIG_PREEMPT is not set
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index 8206752161bb..a718034d68d0 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -116,6 +116,7 @@ CONFIG_IA64_SGI_SN_XP=m
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
 CONFIG_NR_CPUS=1024
+CONFIG_IA64_NR_NODES=256
 # CONFIG_HOTPLUG_CPU is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PREEMPT=y
diff --git a/arch/ia64/defconfig b/arch/ia64/defconfig
index 3e767288a745..6cba55da572a 100644
--- a/arch/ia64/defconfig
+++ b/arch/ia64/defconfig
@@ -116,6 +116,7 @@ CONFIG_IOSAPIC=y
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
 CONFIG_NR_CPUS=512
+CONFIG_IA64_NR_NODES=256
 CONFIG_HOTPLUG_CPU=y
 # CONFIG_SCHED_SMT is not set
 # CONFIG_PREEMPT is not set