linux-kernel - [PATCH v2 6/7] tile/topology: Remove the unused parent

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Message-ID: <1504234599-29533-7-git-send-email-douly.fnst@cn.fujitsu.com>
Date:   Fri, 1 Sep 2017 10:56:38 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     <akpm@...ux-foundation.org>, <linux-kernel@...r.kernel.org>
CC:     Dou Liyang <douly.fnst@...fujitsu.com>,
        Chris Metcalf <cmetcalf@...lanox.com>
Subject: [PATCH v2 6/7] tile/topology: 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 tile platform is unnecessary.

Remove it for cleanup.

Reported-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Dou Liyang <douly.fnst@...fujitsu.com>
Acked-by: Chris Metcalf <cmetcalf@...lanox.com>
Cc: Chris Metcalf <cmetcalf@...lanox.com>
---
 arch/tile/include/asm/topology.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/tile/include/asm/topology.h b/arch/tile/include/asm/topology.h
index b11d5fc..635a0a4 100644
--- a/arch/tile/include/asm/topology.h
+++ b/arch/tile/include/asm/topology.h
@@ -29,12 +29,6 @@ static inline int cpu_to_node(int cpu)
 	return cpu_2_node[cpu];
 }
 
-/*
- * Returns the number of the node containing Node 'node'.
- * This architecture is flat, so it is a pretty simple function!
- */
-#define parent_node(node) (node)
-
 /* Returns a bitmask of CPUs on Node 'node'. */
 static inline const struct cpumask *cpumask_of_node(int node)
 {
-- 
2.5.5