arch/sparc: increase CONFIG_NODES_SHIFT on SPARC64 to 5

SPARC M6-32 platform has (2^5) NUMA nodes, so need to bump up the
CONFIG_NODES_SHIFT to 5.

Orabug: 25577754

Signed-off-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Reviewed-by: Atish Patra <atish.patra@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 58243b0..e544ac1 100644 (file)
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -295,9 +295,13 @@ config NUMA
        depends on SPARC64 && SMP
 
 config NODES_SHIFT
-       int
-       default "4"
+       int "Maximum NUMA Nodes (as a power of 2)"
+       range 4 5 if SPARC64
+       default "5"
        depends on NEED_MULTIPLE_NODES
+       help
+         Specify the maximum number of NUMA Nodes available on the target
+         system.  Increases memory reserved to accommodate various tables.
 
 # Some NUMA nodes have memory ranges that span
 # other nodes.  Even though a pfn is valid and