arch/sparc: increase CONFIG_NODES_SHIFT on SPARC to 5

SPARC M6-32 platform has (2^5) numa nodes, so we 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: Allen Pais <allen.pais@oracle.com>

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index df5b1196be803f97d9413bb294acdcd31374e54a..d7e04608a4d5eb0e5c17278c85949c867215c0aa 100644 (file)
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -342,10 +342,13 @@ config NUMA
        depends on SPARC64 && SMP
 
 config NODES_SHIFT
-       int "Nodes Shift"
+       int "Maximum NUMA Nodes (as a power of 2)"
        range 4 5 if SPARC64
-       default "4"
+       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