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-rw-r--r--include/linux/topology.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h
index ad03df1cc266..7634cd737061 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -48,6 +48,7 @@ int arch_update_cpu_topology(void);
/* Conform to ACPI 2.0 SLIT distance definitions */
#define LOCAL_DISTANCE 10
#define REMOTE_DISTANCE 20
+#define DISTANCE_BITS 8
#ifndef node_distance
#define node_distance(from,to) ((from) == (to) ? LOCAL_DISTANCE : REMOTE_DISTANCE)
#endif