linux-kernel - [PATCH v2 2/7] MIPS: numa: Remove the unused parent

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Message-ID: <1504234599-29533-3-git-send-email-douly.fnst@cn.fujitsu.com>
Date:   Fri, 1 Sep 2017 10:56:34 +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>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <james.hogan@...tec.com>,
        <linux-mips@...ux-mips.org>
Subject: [PATCH v2 2/7] MIPS: 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() macros in both IP27 and Loongson64 are unnecessary.

Remove it for cleanup.

Reported-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Dou Liyang <douly.fnst@...fujitsu.com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: James Hogan <james.hogan@...tec.com>
Cc: linux-mips@...ux-mips.org
---
 arch/mips/include/asm/mach-ip27/topology.h       | 1 -
 arch/mips/include/asm/mach-loongson64/topology.h | 1 -
 2 files changed, 2 deletions(-)

diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h
index defd135..3fb7a0e 100644
--- a/arch/mips/include/asm/mach-ip27/topology.h
+++ b/arch/mips/include/asm/mach-ip27/topology.h
@@ -23,7 +23,6 @@ struct cpuinfo_ip27 {
 extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
 
 #define cpu_to_node(cpu)	(sn_cpu_info[(cpu)].p_nodeid)
-#define parent_node(node)	(node)
 #define cpumask_of_node(node)	((node) == -1 ?				\
 				 cpu_all_mask :				\
 				 &hub_data(node)->h_cpus)
diff --git a/arch/mips/include/asm/mach-loongson64/topology.h b/arch/mips/include/asm/mach-loongson64/topology.h
index 0d8f3b5..bcb8856 100644
--- a/arch/mips/include/asm/mach-loongson64/topology.h
+++ b/arch/mips/include/asm/mach-loongson64/topology.h
@@ -4,7 +4,6 @@
 #ifdef CONFIG_NUMA
 
 #define cpu_to_node(cpu)	(cpu_logical_map(cpu) >> 2)
-#define parent_node(node)	(node)
 #define cpumask_of_node(node)	(&__node_data[(node)]->cpumask)
 
 struct pci_bus;
-- 
2.5.5