arch/sparc/include/asm/topology_64.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 SPARC64 platform is unnecessary.

Remove it for cleanup.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Dou Liyang <[email protected]>
Reported-by: Michael Ellerman <[email protected]>
Acked-by: David S. Miller <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
index 3831b1911a19a3afa7899428eb5c80da4c03cccb..34c628a22ea5b5ba5a186536b7a23df9eaf1785e 100644 (file)
--- a/arch/sparc/include/asm/topology_64.h
+++ b/arch/sparc/include/asm/topology_64.h
@@ -11,8 +11,6 @@ static inline int cpu_to_node(int cpu)
        return numa_cpu_lookup_table[cpu];
 }
 
-#define parent_node(node)      (node)
-
 #define cpumask_of_node(node) ((node) == -1 ?                          \
                               cpu_all_mask :                           \
                               &numa_cpumask_lookup_table[node])