x86: change _node_to_cpumask_ptr to return const ptr
* Strengthen the return type for the _node_to_cpumask_ptr to be
a const pointer. This adds compiler checking to insure that
node_to_cpumask_map[] is not changed inadvertently.
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Acked-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index a6aea79..54bbf6e 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -60,7 +60,8 @@
#ifndef node_to_cpumask_ptr
#define node_to_cpumask_ptr(v, node) \
- cpumask_t _##v = node_to_cpumask(node), *v = &_##v
+ cpumask_t _##v = node_to_cpumask(node); \
+ const cpumask_t *v = &_##v
#define node_to_cpumask_ptr_next(v, node) \
_##v = node_to_cpumask(node)