From: Jane Chu <jane.chu@oracle.com>
Date: Thu, 25 May 2017 19:51:20 +0000 (-0600)
Subject: arch/sparc: increase CONFIG_NODES_SHIFT on SPARC64 to 5
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7485af89a6fd48f7e6fab2505d2364d1817723e6;p=openwrt%2Fstaging%2Fblogic.git

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 58243b0d21c0..e544ac12737e 100644
--- 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