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Subject[PATCH 4.9 061/171] arch/sparc: increase CONFIG_NODES_SHIFT on SPARC64 to 5
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 7485af89a6fd48f7e6fab2505d2364d1817723e6 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/sparc/Kconfig | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 8b4152f3a764..cef42d4be292 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -290,9 +290,13 @@ 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
--
2.17.1


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