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Message-Id: <1495741880-893167-1-git-send-email-jane.chu@oracle.com>
Date: Thu, 25 May 2017 13:51:20 -0600
From: Jane Chu <jane.chu@...cle.com>
To: davem@...emloft.net
Cc: sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org,
jane.chu@...cle.com
Subject: [PATCH] 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@...cle.com>
Reviewed-by: Bob Picco <bob.picco@...cle.com>
Reviewed-by: Atish Patra <atish.patra@...cle.com>
---
arch/sparc/Kconfig | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 58243b0..e544ac1 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
--
1.7.1
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