[PATCH 10/11] x86/topology: Remove the unused parent_node() macro
From: Dou Liyang
Date: Wed Jul 26 2017 - 09:35:18 EST
Commit a7be6e5a7f8d ("mm: drop useless local parameters of
__register_one_node()") removes the last user of parent_node().
The parent_node() macro in X86 platform is unnecessary.
Remove it for cleanup.
Reported-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Dou Liyang <douly.fnst@xxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: x86@xxxxxxxxxx
---
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);
--
2.5.5