[SPARC64]: Add NUMA support.

Currently there is only code to parse NUMA attributes on
sun4v/niagara systems, but later on we will add such parsing
for older systems.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index df3eacb5ca15..8acc5cc38621 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -250,6 +250,26 @@ endchoice
 
 endmenu
 
+config NUMA
+        bool "NUMA support"
+
+config NODES_SHIFT
+        int
+        default "4"
+        depends on NEED_MULTIPLE_NODES
+
+# Some NUMA nodes have memory ranges that span
+# other nodes.  Even though a pfn is valid and
+# between a node's start and end pfns, it may not
+# reside on that node.  See memmap_init_zone()
+# for details.
+config NODES_SPAN_OTHER_NODES
+        def_bool y
+        depends on NEED_MULTIPLE_NODES
+
+config ARCH_POPULATES_NODE_MAP
+        def_bool y
+
 config ARCH_SELECT_MEMORY_MODEL
         def_bool y