If you are compiling a kernel that will run under SGI's IA-64
simulator (Medusa) then say Y, otherwise say N.
+config IA64_SGI_SN_XP
+ tristate "Support communication between SGI SSIs"
+ depends on MSPEC
+ help
+ An SGI machine can be divided into multiple Single System
+ Images which act independently of each other and have
+ hardware based memory protection from the others. Enabling
+ this feature will allow for direct communication between SSIs
+ based on a network adapter and DMA messaging.
+
config FORCE_MAX_ZONEORDER
int
default "18"