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-rw-r--r--include/asm-x86_64/mmzone.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h
index 972c9359f7d..937f99b2688 100644
--- a/include/asm-x86_64/mmzone.h
+++ b/include/asm-x86_64/mmzone.h
@@ -15,8 +15,13 @@
#define NODEMAPSIZE 0xfff
/* Simple perfect hash to map physical addresses to node numbers */
-extern int memnode_shift;
-extern u8 memnodemap[NODEMAPSIZE];
+struct memnode {
+ int shift;
+ u8 map[NODEMAPSIZE];
+} ____cacheline_aligned;
+extern struct memnode memnode;
+#define memnode_shift memnode.shift
+#define memnodemap memnode.map
extern struct pglist_data *node_data[];