[IA64] Increase max node count on SN platforms

Add a configuration option to allow the maximum
number of nodes to be configurable for GENERIC or SN
kernels.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index ff7ae6b664e8..10b6b9e7716b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -252,6 +252,15 @@ config NR_CPUS
           than 64 will cause the use of a CPU mask array, causing a small
           performance hit.
 
+config IA64_NR_NODES
+        int "Maximum number of NODEs (256-1024)" if (IA64_SGI_SN2 || IA64_GENERIC)
+        range 256 1024
+        depends on IA64_SGI_SN2 || IA64_GENERIC
+        default "256"
+        help
+          This option specifies the maximum number of nodes in your SSI system.
+          If in doubt, use the default.
+
 config HOTPLUG_CPU
         bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
         depends on SMP && EXPERIMENTAL