linux-kernel - [PATCH] arm64: NUMA: Kconfig: Increase max number of nodes

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Date:   Tue, 20 Oct 2020 10:34:09 -0700
From:   Vanshidhar Konda <vanshikonda@...amperecomputing.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     patches@...erecomputing.com, linux-kernel@...r.kernel.org,
        Anshuman.Khandual@....com, Valentin.Schneider@....com,
        Vanshidhar Konda <vanshikonda@...amperecomputing.com>
Subject: [PATCH] arm64: NUMA: Kconfig: Increase max number of nodes

The current arm64 max NUMA nodes default to 4. Today's arm64 systems can
reach or exceed 16. Increase the number to 64 (matching x86_64).

Signed-off-by: Vanshidhar Konda <vanshikonda@...amperecomputing.com>
---
 arch/arm64/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 893130ce1626..3e69d3c981be 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -980,7 +980,7 @@ config NUMA
 config NODES_SHIFT
 	int "Maximum NUMA Nodes (as a power of 2)"
 	range 1 10
-	default "2"
+	default "6"
 	depends on NEED_MULTIPLE_NODES
 	help
 	  Specify the maximum number of NUMA Nodes available on the target
-- 
2.28.0