+source "mm/Kconfig"
+
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+
+config ARCH_DISCONTIGMEM_ENABLE
+ def_bool y
+ help
+ Say Y to support efficient handling of discontiguous physical memory,
+ for architectures which are either NUMA (Non-Uniform Memory Access)
+ or have huge holes in the physical address space for other reasons.
+ See <file:Documentation/vm/numa> for more.
+
+config ARCH_FLATMEM_ENABLE
+ def_bool y
+
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ depends on ARCH_DISCONTIGMEM_ENABLE
+
+config ARCH_DISCONTIGMEM_DEFAULT
+ def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
+ depends on ARCH_DISCONTIGMEM_ENABLE
+
+config NUMA
+ bool "NUMA support"
+ depends on !IA64_HP_SIM && !FLATMEM
+ default y if IA64_SGI_SN2
+ select ACPI_NUMA if ACPI
+ help
+ Say Y to compile the kernel to support NUMA (Non-Uniform Memory
+ Access). This option is for configuring high-end multiprocessor
+ server systems. If in doubt, say N.
+
+config NODES_SHIFT
+ int "Max num nodes shift(3-10)"
+ range 3 10
+ default "10"
+ depends on NEED_MULTIPLE_NODES
+ help
+ This option specifies the maximum number of nodes in your SSI system.
+ MAX_NUMNODES will be 2^(This value).
+ If in doubt, use the default.
+
+config ARCH_POPULATES_NODE_MAP
+ def_bool y
+
+# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
+# VIRTUAL_MEM_MAP has been retained for historical reasons.
+config VIRTUAL_MEM_MAP
+ bool "Virtual mem map"
+ depends on !SPARSEMEM
+ default y if !IA64_HP_SIM
+ help
+ Say Y to compile the kernel with support for a virtual mem map.
+ This code also only takes effect if a memory hole of greater than
+ 1 Gb is found during boot. You must turn this option on if you
+ require the DISCONTIGMEM option for your machine. If you are
+ unsure, say Y.
+
+config HOLES_IN_ZONE