arch/tile/include/asm/topology.h: remove unused parent_node() macro
Commit a7be6e5a7f8d ("mm: drop useless local parameters of
__register_one_node()") removed the last user of parent_node().
The parent_node() macro in tile platform is unnecessary.
Remove it for cleanup.
Link: http://lkml.kernel.org/r/1504234599-29533-7-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Chris Metcalf <cmetcalf@mellanox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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 @@
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)
{
