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-rw-r--r--include/linux/numa.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/numa.h b/include/linux/numa.h
index eb19503604fe..e5841d4057ab 100644
--- a/include/linux/numa.h
+++ b/include/linux/numa.h
@@ -30,6 +30,9 @@ static inline bool numa_valid_node(int nid)
#ifdef CONFIG_NUMA
#include <asm/sparsemem.h>
+extern struct pglist_data *node_data[];
+#define NODE_DATA(nid) (node_data[nid])
+
/* Generic implementation available */
int numa_nearest_node(int node, unsigned int state);