linux-kernel - [tip:sched/core] x86/topology: Remove the unused parent

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Date:   Thu, 27 Jul 2017 01:58:29 -0700
From:   tip-bot for Dou Liyang <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, douly.fnst@...fujitsu.com, tglx@...utronix.de,
        mpe@...erman.id.au, torvalds@...ux-foundation.org, hpa@...or.com,
        peterz@...radead.org, linux-kernel@...r.kernel.org
Subject: [tip:sched/core] x86/topology: Remove the unused parent_node()
 macro

Commit-ID:  dbe04493eddfaa89756ec9af8dde56206290182a
Gitweb:     http://git.kernel.org/tip/dbe04493eddfaa89756ec9af8dde56206290182a
Author:     Dou Liyang <douly.fnst@...fujitsu.com>
AuthorDate: Wed, 26 Jul 2017 21:34:35 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 27 Jul 2017 10:53:00 +0200

x86/topology: Remove the unused parent_node() macro

Commit:

  a7be6e5a7f8d ("mm: drop useless local parameters of __register_one_node()")

... removed the last user of parent_node(), so remove the macro.

Reported-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Dou Liyang <douly.fnst@...fujitsu.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1501076076-1974-11-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/topology.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 6358a85..c1d2a98 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -75,12 +75,6 @@ static inline const struct cpumask *cpumask_of_node(int node)
 
 extern void setup_node_to_cpumask_map(void);
 
-/*
- * 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)
-
 #define pcibus_to_node(bus) __pcibus_to_node(bus)
 
 extern int __node_distance(int, int);