linux-kernel - [PATCH 01/11] arm64: numa: Remove the unused parent

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Date:   Wed, 26 Jul 2017 21:34:26 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     <linux-kernel@...r.kernel.org>
CC:     <mpe@...erman.id.au>, Dou Liyang <douly.fnst@...fujitsu.com>,
        Will Deacon <will.deacon@....com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 01/11] arm64: numa: Remove the unused parent_node() macro

Commit a7be6e5a7f8d ("mm: drop useless local parameters of
__register_one_node()") removes the last user of parent_node().

The parent_node() macro in ARM64 platform is unnecessary.

Remove it for cleanup.

Reported-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Dou Liyang <douly.fnst@...fujitsu.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Will Deacon <will.deacon@....com>
Cc: linux-arm-kernel@...ts.infradead.org
---
 arch/arm64/include/asm/numa.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/arm64/include/asm/numa.h b/arch/arm64/include/asm/numa.h
index bf466d1..ef7b238 100644
--- a/arch/arm64/include/asm/numa.h
+++ b/arch/arm64/include/asm/numa.h
@@ -7,9 +7,6 @@
 
 #define NR_NODE_MEMBLKS		(MAX_NUMNODES * 2)
 
-/* currently, arm64 implements flat NUMA topology */
-#define parent_node(node)	(node)
-
 int __node_distance(int from, int to);
 #define node_distance(a, b) __node_distance(a, b)
 
-- 
2.5.5