[PATCH v2 1/7] ia64: topology: Remove the unused parent_node() macro

[Dou Liyang]

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

The parent_node() macro in IA64(Itanium) platform is unnecessary.

Remove it for cleanup.

Reported-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Dou Liyang <douly.fnst@xxxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: linux-ia64@xxxxxxxxxxxxxxx
---
 arch/ia64/include/asm/topology.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index 3ad8f69..82f9bf7 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -34,13 +34,6 @@
 			       &node_to_cpu_mask[node])
 
 /*
- * Returns the number of the node containing Node 'nid'.
- * Not implemented here. Multi-level hierarchies detected with
- * the help of node_distance().
- */
-#define parent_node(nid) (nid)
-
-/*
  * Determines the node for a given pci bus
  */
 #define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
-- 
2.5.5